what is the value of cos square 47 - sin square 43
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Answer:
MARK ME BRAINLIEST
0
Step-by-step explanation:
cos 47²-sin 43²
Answered by
3
cos^2(47)-sin^2(43)
cos^2(47)-sin^2(90-47)
cos^2(47)-cos^2(47)=0
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