JEE Main 2013 Mathematics question

Mathematics Trigonometric Ratio and Identities JEE Main 2013

The expression can be written as -

(1)tan A + cot A
(2)sec A + cosec A
(3)sin A cos A + 1
(4)sec A cosec A + 1Correct

Answer: (4)

Solution

Simplifying the expression algebraically leads to .

Question ID VK-000886