$\displaystyle sin(\theta ) cos( \theta) = 0,7$ What is the value of $\displaystyle \theta$ ?
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Originally Posted by Apprentice123 $\displaystyle sin(\theta ) cos( \theta) = 0,7$ What is the value of $\displaystyle \theta$ ? Use the identity $\displaystyle sin \theta cos \theta = \frac{1}{2}sin(2\theta)$
the solutions to this are imaginary $\displaystyle sin^{-1}\left(1.4\right)$ is non real
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