Further MathematicsTrigonometryWAEC
Without using tables, find the value of sin 75°.
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Answer: A. (√6 + √2)/4
sin(45° + 30°) = (√2/2)(√3/2) + (√2/2)(1/2) = (√6 + √2)/4.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.