cos× cos 30+ cos× cos 45+ cos× cos 60 + cos× cos 90
Answers
Answered by
1
Cos2 30+ sin2 30 + cos2 45 +cos2 90
1+(1/2)2 + 0
3/2
Answered by
1
Answer:
Cos2 30+ sin2 30 + cos2 45 +cos2 90
=1+(1/2)2 + 0
=3/2
Explanation:
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