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Some Applications Of Trigonometry

Question

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Evaluate:
$fraction numerator sin space 70 degree over denominator cos space 20 degree end fraction plus fraction numerator cosec space 36 degree over denominator sec space 54 degree end fraction minus fraction numerator 2 space cos space 43 degree. space cosec space 47 degree over denominator tan space 10 degree. space tan space 40 degree. space tan space 50 degree. space tan space 80 degree end fraction.$

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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