Question
$17-28=$ Half Angle Formulas Use an appropriate Half-Angle Formula to find the exact value of the expression.$$\sin 15^{\circ}$$
Step 1
Step 1: We know that the half-angle formula for sine is given by: $$\sin\left(\frac{\theta}{2}\right) = \pm \sqrt{\frac{1 - \cos\theta}{2}}$$ Show more…
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