Question
If (3cos A - sin A) = 2 cos (90° - A), then find the
value of cot A.Solution
We have, (3cos A - sin A) = 2 cos (90° - A)
Or, (3cos A - sin A) = 2 sin A
Or, 3cos A = 3 sin A
Or, {(cos A)/(sin A)} = 1
So, cot A = 1
Hence, option a.
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