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Some Applications Of Trigonometry

Question

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Evaluate:
$fraction numerator 3 space tan space 25 degree. space tan space 40 degree. space tan space 50 degree. space tan space 65 degree. space minus space begin display style 1 half end style tan squared 60 degree over denominator 4 left parenthesis cos squared 29 degree space plus space cos squared 61 degree right parenthesis end fraction$

Solution

Solution not provided.
Ans. $3 over 8$

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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