2nd question plzz solve mate
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Pls mark me as brainliest
Step-by-step explanation:
cos(15) = cos(45 - 30)
cos(15) = [1/sqrt(2) * sqrt(3)/2] + [1/sqrt(2) * 1/2]
cos(15) = [sqrt(3) + 1]/[2*sqrt(2)]
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answer for the given problem is given
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