Evaluate: sin60° cos 30°- cos 60° sin 30°.
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Answer:
0.0045
Step-by-step explanation:
sin60 = 0.30
cos30 = 0.15
cos60 = 0.95
sin30 = 0.98
sin60° cos 30°- cos 60° sin 30°
= 0.30 - 0.15 x 0.95 - 0.98
= 0.15 x 0.03
= 0.0045
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