Saved Bookmarks
| 1. |
What is the value of ?:- 2cos²thita (1 +tan² thita) |
|
Answer» ONG>Answer: Step-by-step EXPLANATION: cos^2A = 1 / Sec^2A or ( 1 + tan^2A = Sec^2A ) : 2 × 1/Sec^2A ( sec^2A ) = 2 ( 1 / sec^2A × sec^2 = 1 ) |
|