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How do you graph Sin of a double angle? [closed]

Using the unit circle to prove the double angle formulas for sine and cosine?How to graph $xsin(x)$Prove this double angle identity?How to graph this sin equation?Could someone please explain double-angle identities?Sine of an obtuse angleWhat does the graph of $sin^2 x$ look like?What are the double angle trig formulas called?How to compress or stretch a graph?deriving sine half angle formula from sine double angle formula

-1

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How does the double angle affect the sine graph, does it compress / stretch the graph, etc? eg. sin(2θ) = π/4

trigonometry graphing-functions

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edited Mar 16 at 8:21

Ingrid Isabelle

asked Mar 16 at 7:41

Ingrid IsabelleIngrid Isabelle

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closed as off-topic by Saad, Shailesh, John Omielan, Hans Lundmark, RRL Mar 16 at 12:25

This question appears to be off-topic. The users who voted to close gave this specific reason:

• "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Saad, Shailesh, John Omielan, Hans Lundmark, RRL

If this question can be reworded to fit the rules in the help center, please edit the question.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  $pi/2>1$.
  $endgroup$
  – Lord Shark the Unknown
  Mar 16 at 7:43
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Welcome to MSE. Your question is phrased as an isolated problem, without any further information or context. This does not match many users' quality standards, so it may attract downvotes, or be put on hold. To prevent that, please edit the question. This will help you recognise and resolve the issues. Concretely: please provide context, and include your work and thoughts on the problem. These changes can help in formulating more appropriate answers.
  $endgroup$
  – José Carlos Santos
  Mar 16 at 7:46
  

  
  
  
  

add a comment | 

-1

$begingroup$

How does the double angle affect the sine graph, does it compress / stretch the graph, etc? eg. sin(2θ) = π/4

trigonometry graphing-functions

share|cite|improve this question

edited Mar 16 at 8:21

Ingrid Isabelle

asked Mar 16 at 7:41

Ingrid IsabelleIngrid Isabelle

12

$endgroup$

closed as off-topic by Saad, Shailesh, John Omielan, Hans Lundmark, RRL Mar 16 at 12:25

This question appears to be off-topic. The users who voted to close gave this specific reason:

• "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – Saad, Shailesh, John Omielan, Hans Lundmark, RRL

If this question can be reworded to fit the rules in the help center, please edit the question.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  $pi/2>1$.
  $endgroup$
  – Lord Shark the Unknown
  Mar 16 at 7:43
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Welcome to MSE. Your question is phrased as an isolated problem, without any further information or context. This does not match many users' quality standards, so it may attract downvotes, or be put on hold. To prevent that, please edit the question. This will help you recognise and resolve the issues. Concretely: please provide context, and include your work and thoughts on the problem. These changes can help in formulating more appropriate answers.
  $endgroup$
  – José Carlos Santos
  Mar 16 at 7:46
  

  
  
  
  

add a comment | 

$begingroup$

How does the double angle affect the sine graph, does it compress / stretch the graph, etc? eg. sin(2θ) = π/4

trigonometry graphing-functions

share|cite|improve this question

edited Mar 16 at 8:21

Ingrid Isabelle

asked Mar 16 at 7:41

Ingrid IsabelleIngrid Isabelle

12

$endgroup$

share|cite|improve this question

edited Mar 16 at 8:21

Ingrid Isabelle

asked Mar 16 at 7:41

Ingrid IsabelleIngrid Isabelle

12

share|cite|improve this question

edited Mar 16 at 8:21

Ingrid Isabelle

asked Mar 16 at 7:41

Ingrid IsabelleIngrid Isabelle

12

asked Mar 16 at 7:41

Ingrid IsabelleIngrid Isabelle

12

asked Mar 16 at 7:41

Ingrid IsabelleIngrid Isabelle

12

1 Answer
1

active

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0

$begingroup$

For all real $b$, $y=sin(bx)$, the Period $P$ of a single sine wave is given by:
$P=frac2pib$.

(the same is true for$:$ $cos(bx)$)

The regular period of a sine wave is when $b=1$, which produces $P=2pi$ - Which I am sure you're used to graphing.

So as you increase the value of $b$ you decrease $P$ by the same magnitude. E.g doubling the $b$ results in halving the period.

So just adjust your plotting of the sine-wave according to that, try graphing a single wave first, before moving on the the rest of the graph.

share|cite|improve this answer

answered Mar 16 at 7:51

Daniel SDaniel S

806

$endgroup$

add a comment | 

0

$begingroup$

For all real $b$, $y=sin(bx)$, the Period $P$ of a single sine wave is given by:
$P=frac2pib$.

(the same is true for$:$ $cos(bx)$)

The regular period of a sine wave is when $b=1$, which produces $P=2pi$ - Which I am sure you're used to graphing.

So as you increase the value of $b$ you decrease $P$ by the same magnitude. E.g doubling the $b$ results in halving the period.

So just adjust your plotting of the sine-wave according to that, try graphing a single wave first, before moving on the the rest of the graph.

share|cite|improve this answer

answered Mar 16 at 7:51

Daniel SDaniel S

806

$endgroup$

add a comment | 

0

$begingroup$

For all real $b$, $y=sin(bx)$, the Period $P$ of a single sine wave is given by:
$P=frac2pib$.

(the same is true for$:$ $cos(bx)$)

The regular period of a sine wave is when $b=1$, which produces $P=2pi$ - Which I am sure you're used to graphing.

So as you increase the value of $b$ you decrease $P$ by the same magnitude. E.g doubling the $b$ results in halving the period.

So just adjust your plotting of the sine-wave according to that, try graphing a single wave first, before moving on the the rest of the graph.

share|cite|improve this answer

answered Mar 16 at 7:51

Daniel SDaniel S

806

$endgroup$

add a comment | 

$begingroup$

For all real $b$, $y=sin(bx)$, the Period $P$ of a single sine wave is given by:
$P=frac2pib$.

(the same is true for$:$ $cos(bx)$)

The regular period of a sine wave is when $b=1$, which produces $P=2pi$ - Which I am sure you're used to graphing.

So as you increase the value of $b$ you decrease $P$ by the same magnitude. E.g doubling the $b$ results in halving the period.

So just adjust your plotting of the sine-wave according to that, try graphing a single wave first, before moving on the the rest of the graph.

share|cite|improve this answer

answered Mar 16 at 7:51

Daniel SDaniel S

806

$endgroup$

share|cite|improve this answer

answered Mar 16 at 7:51

Daniel SDaniel S

806

answered Mar 16 at 7:51

Daniel SDaniel S

806

answered Mar 16 at 7:51

Daniel SDaniel S

806