Yefim S. answered • 12/07/21
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sin210° = - √(1 - cos420°)/2 = - √1 - cos60ˆ)/2 = - √(1 - 1/2)/2 = - √1/4 = - 1/2
Mia C.
asked • 12/07/21USE THE HALF-ANGLE FORMULAS TO FIND THE EXACT VALUE OF SIN 210 DEGREES.
USE THE HALF-ANGLE FORMULAS TO FIND THE EXACT VALUE OF SIN 210 DEGREES.
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Mia C.
Thank you for the help! I really appreciate it.12/09/21