Math, asked by koranisansha2846, 9 months ago

Cos 5° – sin 25° is equal to sin 35°

Answers

Answered by naina788

4

Step-by-step explanation:

let 'a'be the angle

cos(90-a)=sina

then..,

cos5=cos(90-85)

=sin85-sin25

=sin53

not sin35

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