

InterviewSolution
Saved Bookmarks
1. |
If $2(cos^{2}\theta - sin^{2}\theta)$ = 1, $\theta$ is a positive acute angle, then the value of $\theta$ is1). $60^{0}$2). $30^{0}$3). $45^{0}$4). $22\frac{1}{2}^{0}$ |
Answer» ANSWER for this QUESTION is OPTION 2 | |