Saved Bookmarks
| 1. |
Prove that (sinθ + cosecθ)2 + (cosθ + secθ)2 = 7 + tan2θ + cot2θ |
|
Answer» sin2θ + cosec2θ + 2sinθ + cosecθ + cos2θ + sec2θ + 2cosθ secθ. 1 + cosec2θ + 2 + 2 + sec2θ. 1 + 1 + cot2θ + 2 + 2 + 1 + tan2θ 7 + tan2θ + cot2θ. |
|