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What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

Three coins are flipped. what is the probability that there will be at least two tails?

Wanna brainliest? ! ms. mcmahon is building a shed as shown. what is the measure of the angle at the top of the shed? a) 126 b )116 c) 64 d) 32