Question

Calculate the value of A, if: (tan A – 1) (cosec 3A – 1) = 0​

Answer 1

Answer:

ANSWER

(sec2A−1)(cosec3A−1)=0

sec2A=1 or cosec3A=1

2A=0 or 3A=90

A=0 or A=30

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Thus, A=0

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or30

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