Quantitative aptitude

Find the value of cot3A-3cotA/3 cot2A-1

April 22, 2024

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Find the value of cot3A-3cotA/3 cot2A-1

Find the value of cot³A-3cotA/3 cot2A-1

(a) cot²2A + tan²A

(b) tan²2A + cot²A

(c) tan3A

(d) cot3A

Sol:

As we know that: tanA + tanB + tanC = tanA tanB tanC

Sin2A + sin2B + sin2C = 4 sinA sinB sinC

Find the value of cot3A-3cotA/3 cot2A-1

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