85^ - 35^ 65^ = - Vidyadip

MCQ

$\frac{\sin 85^{\circ}-\sin 35^{\circ}}{\cos 65^{\circ}}=$

A
2
B
-1
✓
1
D
$0$

✓

Answer

Correct option: C.

1

(C)
$\frac{\sin 85^{\circ}-\sin 35^{\circ}}{\cos 65^{\circ}}=\frac{2 \cos 60^{\circ} \sin 25^{\circ}}{\sin 25^{\circ}}$
$=2 \times \frac{1}{2}$
= 1

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