Question

evaluta sin A. (sec 90-A)
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Answer 1

sin A. (sec 90-A)

sin A. cosecA [sec 90 - A = cosec A]

Therefore

sin A × 1 / sin A

Answer : 1

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Answer 2

Answer:

1

Step-by-step explanation:

SinA=Cos90-A

Sec90-A=1/Cos 90-A

Cos90-A*1/Cos90-A =1

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