Question

If sec 2A = cosec (A - 42)º, where 2A is an acuate angle, find the value of A
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Answer 1

Answer:

44⁰

Step-by-step explanation:

sec2A =cosec(A-42)⁰

or, cosec(90⁰-2A)= cosec(A-42)⁰

or, (90-2A.) =( A-42)

or, 90+42 =A+2A

or, 132 =3A

therefore,. A= 132/3

44⁰

I hope it will help you