Prove that sin10° +sin50° – sin70°= 0
Prove that sin10° +sin50° – sin70°= 0 Solution: sin10° +sin50° – sin70° = sin10° + 2 cos $\frac{50° + 70°}{2}$ …
Prove that sin10° +sin50° – sin70°= 0 Solution: sin10° +sin50° – sin70° = sin10° + 2 cos $\frac{50° + 70°}{2}$ …