Q6 of 90 Page 7

Mark the correct alternative in the following:

If in a ∆ABC, tan A + tan B + tan C = 6, then cot A cot B cot C =


A+B=π-C



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If and then the value of A + B is


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If 3 sin x + 4 cos x = 5, then 4 sin x – 3 cos x =


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Mark the correct alternative in the following:

tan 3A – tan 2A – tan A is equal to


 8

Mark the correct alternative in the following:

If then is equal to