Math, asked by sagarsahu31106, 6 months ago

Express the sin 1185 as trigonomet

Answers

Answered by mishrasweta1947

1

Answer:

really don't know mate!!!!!

Answered by Anonymous

2

We have,

cot(90° −θ)=tanθ and cos(90° −θ)=sinθ

cot85°=cot(90°−5° )=tan5=

cos75° =cos(90° −15° )=sin15°

∴cot85° +cos75 ° =tan5°+sin15°

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