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Some Applications Of Trigonometry

Question

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If sec4A = cosec (A - 20) where 4A is an acute angle, find the value of A.

Solution

Solution not provided.
Ans. $22 degree$

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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