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Opposite & Adjacent Sides in a Right Angled Triangle

Find the valu...

Question

Find the value of sin x + cos y, when $x = 30^{\circ}, y = 60^{\circ}$ .

A

0.0

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B

1

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C

\sqrt{2}

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D

2

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Solution

The correct option is B 1
$s i n 30^{\circ} = c o s 60^{\circ} = \frac{1}{2}$
Thus, $s i n 30^{\circ} + c o s 60^{\circ} = 1$

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