JEE Advanced Mathematics question

MathematicsTrigonometric Ratio and IdentitiesJEE Advanced

The value of is

Answer: (C)

Solution

Square the expression:

( 9°- 9°= 9°+ 9°-2 9° 9°=1- 18°=1-=.

Since , $ 9°>

See the full step-by-step solution

Create a free account to read the complete working (5 steps), and practise questions like this in a timed test.

Create a free account

Question ID VK-108484