Question

If sec alpha=x+1/4x prove that sec alpha+ tan alpha = 2x or 1/2x

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

ANSWER

tan2θ=sec2θ−1

=(x+4x1)2−1

=(x+4x1)2

∴tanθ=±(x−4x1)

=(x−4x1)or(4x1−x)

∴secθ+tanθ is either 2x or 2x1