cos^2 10°+ cos^2 20° cos^2 30°. +__________+cos^2 90°.
PLEASE GIVE ME ANSWER
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cos^2 10°+ cos^2 20° cos^2 30°. +__________+cos^2 90°.
PLEASE GIVE ME ANSWER
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Answer:
4
Please refer to the attachment for the solution.
Answer:
cos^2 10°+ cos^2 20° cos^2 30°. +__________+cos^2 90°. =
=4