Math, asked by trisha1508, 1 month ago

How is _sin²theta=(sin theta)²_?...pls give proof​

Answers

Answered by bannybannyavvari
0

Answer:

Given, sinθ+sin

2

θ=1

⇒sinθ=1−sin

2

θ=cos

2

θ

Therefore, cos

2

θ+cos

4

θ=cos

2

θ(1+cos

2

θ)

=sinθ(1+sinθ)

=sinθ+sin

2

θ

=1

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