Mathematics, 14.06.2020 19:57 MathChic68
Given that tan A = 1/4, tan B = 1/2 and cos (A+B) = 1/3, find the value of cos (A-B) without using a calculator.
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Given that tan A = 1/4, tan B = 1/2 and cos (A+B) = 1/3, find the value of cos (A-B) without using a...
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