Math, asked by pranav6431, 9 months ago

sin (90° — O) cos 0 + cos (90° — O) sin 0 =

Answers

Answered by s20179990

1

Answer:

cos0. cos0+sin0.sin0=

cos²0+sin²0=1

Answered by priyanshu3847

2

Answer:

sin ( 90-theta) = cos theta.

cos (90- theta)= sin theta

A/Question

cos theta . cos theta +sin theta . sin theta

cos^2 theta + sin^2= 1

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