NDA Math Trigonometric Ratios of Angles and Equations

© examsiri.com

Question : 31 of 100

Marks: +1, -0

Suppose cos A is given. If only one value of cos(

A

2

) is possible, then A must be

[NDA I 2018]

An odd multiple of 90°
A multiple of 90°
An odd multiple of 180°
A multiple of 180°

Go to Question:

Prev Question

Next Question