What is $\frac{3 sec θ}{7}$ $(3sectheta)/7$ in terms of $cos θ$ $costheta$ ?

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What is $\frac{3 sec θ}{7}$ $(3sectheta)/7$ in terms of $cos θ$ $costheta$ ?

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Answer 1 · 2018-03-19T11:48:26

$\frac{3}{7 cos θ}$ $3/(7costheta)$

Explanation:

$using the trigonometric identity$ $"using the "color(blue)"trigonometric identity"$

$∙ x sec θ = \frac{1}{cos θ}$ $•color(white)(x)sectheta=1/costheta$

$\Rightarrow \frac{3 sec θ}{7} = \frac{3}{7} \times \frac{1}{cos θ} = \frac{3}{7 cos θ}$ $rArr(3sectheta)/7=3/7xx1/costheta=3/(7costheta)$

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What is $\frac{3 sec θ}{7}$ $(3sectheta)/7$ in terms of $cos θ$ $costheta$ ?

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