Question on: JAMB Mathematics - 2017
A
\(\frac{\sqrt{3}}{2\sqrt{2}}\)
B
√3 − \(\frac{1}{2}\)
C
\(\frac{1}{2}\)√2
D
1 + \(\frac{\sqrt{2}}{2}\)
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Correct Option: D
hypotenuse
sin = (\frac{1}{2})
(\sin45 = \frac{1}{\sqrt{2}})
= (\frac{2}{2})
∴ (sin45 + sin30)
= (\frac{1}{\sqrt{2}} + \frac{1}{2})
= (\frac{\sqrt{2}}{2}) + (\frac{1}{2})
= (\frac{\sqrt{2} + 1}{2})
= (\frac{1 + \sqrt{2}}{2})
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