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Some Applications Of Trigonometry

Question

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Prove the following identities:
$fraction numerator sinθ plus cosθ over denominator sinθ minus cosθ end fraction plus fraction numerator sinθ minus cosθ over denominator sinθ plus cosθ end fraction space equals space fraction numerator 2 over denominator sin squared straight theta plus cos squared straight theta end fraction equals fraction numerator 2 over denominator 2 sin squared straight theta minus 1 end fraction$

Solution

Solution not provided.

Some More Questions From Some Applications of Trigonometry Chapter

Choose the correct option and justify your choice:
sin 2A = 2 sin A is true when A =
(A) 0° (B) 30° (C) 45° (D) 60°

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