1.

Given: cos(90° - 2A). sec 76° = 1; find the value of angle A.​

Answer»

Answer:

EXPLANATION:

I think it goes LIKE this:

Sec = 1/cos

cos 38 * 1/cos (90-2a) = 1

38(90-2a) = 1

3420 - 76a = 1

3420 = 76a

3420/76= a

45 = a!!



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