1 Answer

Bishwajit Purkaystha · Answer 1 · 2019-06-08T04:05:56+0000

we have that
y=sin x

for x=2theta
theta = pi/4 radians
so
x=2*pi/4-----> x=pi/2

using a graph tool
see the attached figure

for x=pi/2
y=sin pi/2------> y=1

the solution is
1

Use the graph of y=sin theta to find the value of 2theta for theta = pi/4 radians-example-1

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