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MATHEMATICS

JAMB 2017 - Question 5

Mathematics 2017 JAMB Past Questions - Question 5: Evaluate sin 45 + sin30 insurd form.

Evaluate sin 45 + sin30 insurd form.

A: √3 /2√2

B: √3-1 / 2

C: 1/2√2

D: 1+√2 /2

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Correct Answer

Explanation

The value of sin 45 degrees is √2 / 2, and the value of sin 30 degrees is 1/2. So, sin 45 + sin 30 = √2 / 2 + 1/2 = (√2 + 1) / 2.