Evaluate the following:
$\sin 60^{\circ} \cos 30^{\circ} + \sin 30^{\circ} \cos 60^{\circ}$

  • A
    $1$
  • B
    $2$
  • C
    $0$
  • D
    $4$

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Similar Questions

Evaluate:
$\sin 25^{\circ} \cos 65^{\circ} + \cos 25^{\circ} \sin 65^{\circ}$

In $\triangle ABC$,right-angled at $B$,$AB = 24 \, cm$,$BC = 7 \, cm$. Determine:
$(i)$ $\sin A, \cos A$
$(ii)$ $\sin C, \cos C$

Prove the following identity,where the angles involved are acute angles for which the expressions are defined:
$(\sin A + \operatorname{cosec} A)^2 + (\cos A + \sec A)^2 = 7 + \tan^2 A + \cot^2 A$

Evaluate:
$\frac{\sin 18^{\circ}}{\cos 72^{\circ}}$

If $\angle A$ and $\angle B$ are acute angles such that $\cos A = \cos B,$ then show that $\angle A = \angle B$.

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