Saved Bookmarks
| 1. |
For what value of , cos(10° + 8 ) = sin 30° ? |
|
Answer» COS(10°+θ)=sin30° ⇒cos(20°+θ)=cos(90°−30°) ⇒10°+θ= 60° ⇒θ=50° Hence, the answer is 50°. |
|