Question

If 4sin2A – 1 = 0 and A is an acute angle, find the value of A and hence find the values of

i) Cos2A + tan2A​

Answer 1

Answer:

If 4sin2A – 1 = 0 and A is an acute angle, find the value of A and hence find the values of

i) Cos2A + ttan2A

Ans= 2/3

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