1.

What is the value of \(\frac{{{{\tan }^2}25^\circ }}{{cose{c^2}65^\circ }} + \frac{{{{\cot }^2}25^\circ }}{{{{\sec }^2}65^\circ }} + 2tan20^\circ tan45^\circ tan70^\circ ?\)

A. 1
B. 2
C. 3
D. 4
Answer» D. 4


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