Math, asked by asadroxx, 1 year ago

cos 30° +sin 60°
9.
Evaluate: 1 + cos 60° + sin 30°

Answers

Answered by botanyliker

1

Step-by-step explanation:

cos 30+cos( 90-60)

cos 30+cos30=2cos 30

ii)1+cos 60+cos(90-30)

1+cos60+cos60

1+2cos60

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