Question
If x = (sin 30 ° + cos 30 ° )/sec 60 ° , then find
the value of 4x.Solution
=(sin 30 ° + cos 30 ° )/sec 60 ° = {(1/2) + ( √3/2)}/2 = (1 + √3)/4 Required value = (1 + √3)/4 x 4 = 1 + √3 Â
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