How do you find sin 7(pi) / 2 by referring to the graph of the sine or cosine function?

Question

How do you find sin 7(pi) / 2 by referring to the graph of the sine or cosine function?

1 Answer

Impact of this question

2011 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-10-07T15:31:47

Find sin ((7pi)/2) on the sine graph.

Ans: -1

Explanation:

#sin ((7pi)/2) = sin (2pi + (3pi)/2) = sin ((3pi)/2)#.
The sine graph shows--> #sin ((3pi)/2) = -1#
On the graph, the value of #sin ((3pi)/2)# appears at x = 4.71
graph{sin x [-10, 10, -5, 5]}

Science

Math

Humanities

... and beyond

How do you find sin 7(pi) / 2 by referring to the graph of the sine or cosine function?

1 Answer

Explanation:

Related questions

Impact of this question