Q22 of 44 Page 79

If A = 60° and B = 30° then prove that

For A = 60° and B = 30°


LHS = cot(A - B) = cot(60° - 30° ) = cot30° = √3


RHS =






= √3


√3 = √3


∴ LHS = RHS


∴


Hence Proved


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