Question

For any acute angel 0,prove that sin2 0+cos2 0=1,1+cot2 0=cosec2 0​

Answer 1

Answer:

1−cosθ)(1+cosθ)(1+cot

2

θ)

=(1−cos

2

θ)(csc

2

θ)

=(sin

2

θ)(csc

2

θ)

=1

Hence answer is B

Step-by-step explanation:

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