Math, asked by shouryat140, 5 months ago

12.
Evaluate : sin
A. Sec ( 90- A).

Answers

Answered by anyhelper

2

Answer:

sin A × 1 / sin A

Step-by-step explanation:

Given,

sin A. (sec 90-A)

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

Therefore

sin A × 1 / sin A

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