Math, asked by bvmehta2006, 6 days ago

Prove that (sec A - 1)/(sec A + 1) = (1 - cos A)(1 + cos A)

Answers

Answered by kumarikajal111296

0

LHS : sec A - 1 / sec A + 1 = 1/Cos A - 1 / 1/Cos A + 1

= 1- Cos A / 1+ Cos A

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