Question

if cos(90-A)=sin60then findA​

Answer 1

cos(90-A )= sin60°

sinA = sin60°

A = 60°

"{Formula:- cos(90-A)= sinA}"

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Answer 2

cos(90-A) = sinA

Here, cos(90-A) = sin60

∴sinA = sin60

∴A = 60°