The value of tan 1°.tan 2°.tan 3° ............. tan 89° is?
A. 1
C. $$\sqrt 3 $$
D. $$\frac{1}{{\sqrt 3 }}$$
Answer: Option A
Solution (By Examveda Team)
tan 1°.tan 2°.tan 3° .......... tan 89°If A + B = 90°
(tan 1°.tan 89°)(tan 2°.tan 88°) .......... (tan 44°.tan 46°).tan 45°
1 × 1 × 1 .......... 1 × 1 = 1
This Question Belongs to Arithmetic Ability >> Trigonometry
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