Test SeriesFree PYQsExamsPricing

JEE Main Mathematics question

MathematicsTrigonometric Ratio and IdentitiesJEE Main

If , where is acute, then is

Answer: (D)

Solution

Use the double-angle form . So , i.e. $x=Missing argument for \frac\frac

See the full step-by-step solution

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

Create a free account

Question ID VK-007900