InterviewSolution
Saved Bookmarks
| 1. |
Evaluate: ` 3 sin^2 30^@ + 2 tan^2 60^@ - 5 cos^2 45^@` |
|
Answer» `3sin^2 30^o +2tan^2 60^o-5cos^2 45^o` `3(1/2)^2+2(sqrt3)^2-5(1/sqrt2)^2` `3*1/4+2*3-5*1/2` `17/4`. |
|