cos 60 cos 30 - sin 60 sin 30
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0
Step-by-step explanation:
this is the solution of the question
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Answered by
1
Answer:
0
Step-by-step explanation:
cos 60⁰ cos 30⁰ - sin 60⁰ sin 30⁰
=1/2 × √3/2 - √3/2 × 1/2
=√3/4 - √3/4
=0
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