Practicing Success
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Find the value of $\theta $ if $sin 2\theta =cos45°sin45°+sin30°$ |
$60°$ $45°$ $90°$ $30°$ |
$45°$ |
$\theta $ if $sin 2\theta =cos45°sin45°+sin30°$ = $\theta $ if $sin 2\theta$ = \(\frac{1}{\sqrt {2}}\) × \(\frac{1}{\sqrt {2}}\) + \(\frac{1}{2}\) $sin 2\theta$ = 1 $sin 2\theta$= 90o Θ = 45o |
