Question

tan theta. cos theta=sec theta x then x =
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Answer 1

Step-by-step explanation:

$\tan( \alpha ) \cos( \alpha ) = \sec( \alpha ) \times x \\ \frac{ \sin( \alpha ) }{ \cos( \alpha ) } \times \cos( \alpha ) = \frac{1}{ \cos( \alpha ) } \times x \\ x = \sin( \alpha ) \times \cos( \alpha )$