Question

1. Cos 65°=
2.sin 29°=
3.tan 38°=
4.cos 47°=

Answer 1

Cos 65°=sin(90-65) = Sin25°

Sin 29°= cos (90-29) = Cos61°

tan 38° = cot (90-38) = Cot52°

cos 47°= sin (90-47) =Sin43°

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Answer 2

Answer:

Cos 65°=sin(90-65) = Sin25°

Sin 29°= cos (90-29) = Cos61°

tan 38° = cot (90-38) = Cot52°

cos 47°= sin (90-47) =Sin43°