Math, asked by reetukumari68, 4 months ago

evaluate sin 120° and
cos 210° (please don't give uneven answers)

Answers

Answered by meetgoogle

1

Answer:

Step i

Sin120°=sin(90°+30°)

=>sin120°= cos30°

=>sin120°= √3/2 | sin(90°+A) =cosA

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