Saved Bookmarks
| 1. |
Tan4 thita +tan 2 thita=sec4 thita-sec2thita |
|
Answer» Step-by-step EXPLANATION: LHS: sec θ−sec θ =sec 2 θ(sec 2 θ−1) =(1+TAN 2 θ)tan 2 θ =tan 2 θ+tan 4 θ Hence LHS = RHS. |
|