NDA 2016 Mathematics question

MathematicsTrigonometric Ratio and IdentitiesNDA 2016

is equal to which of the following? 1. 2. 3. Select the correct answer using the code given below :

Answer: (C)

Solution

, so the expression is (1 is correct). Since , this also equals (3 is correct).

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-028492