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| 1. |
If sin0+2cos0=1 then prove that 2sin0-cos0=2 |
| Answer» Ek kam kar sin0+2cos=1 la squaring kar le photographe sin^2 ko 1-cos^2 and cos^2 ko 1-sin^2 se replace kar de.Uske baad identity bana keep square se Square Kat de.Any doubts ask me | |