Question

If sin square 27 + sin square a = 1 than a = ?

Answer 1

Answer:

63

Step-by-step explanation:

sin²A+cos²A=1 (1)

sinA=cos(90-A)

sin²27+cos²(90-A)=1

By equation (1) =

27=90-A

A=90-27

A=63

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