Saved Bookmarks
| 1. |
If 2a=2tan10∘+tan50∘ 2b=tan20∘+tan50∘ 2c=2tan10∘+tan70∘ 2d=tan20∘+tan70∘, then which of the following is/are correct ? |
|
Answer» If 2a=2tan10∘+tan50∘ |
|