given that sin theta + 2 cos theta = 1 , then prove that 2 sin theta -cos theta = - Maths - Introduction to Trigonometry

Question

given that sin theta + 2 cos theta = 1 , then prove that 2 sin
theta -cos theta = 2

Abhishek Kr. Jha · Accepted Answer

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given that sin theta + 2 cos theta = 1 , then prove that 2 sin theta -cos theta = 2