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| 1. |
Prove that sin15^@ = (sqrt3-1)/(2sqrt2) |
| Answer» Solution :`sin15^@=sin(45^@-30^@)=SIN45^@cos30^@-COS45^@SIN30^@=1/(sqrt2).sqrt3/2-1/sqrt2.(1)/2=(sqrt3-1)/(2sqrt2)` | |