cos²30 of cos²45 + cos²60 + cos²90
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Answered by
2
Answer:
(√3/2)^2×(1/√2)^2 + (1/2)^2+ 0
Step-by-step explanation:
3/4×1/2+1/4
3/8+1/4
5/8
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9
Answer:
see your answer is in the attachment..
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