For an acute angle ,

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

For an acute angle

\theta

\cos \theta = \dfrac{7}{25}

. Evaluate

\dfrac{1-\cos^{2}\theta}{\cos \theta}

. (a)

\dfrac{25}{7}

(b)

\dfrac{576}{175}

(c)

\dfrac{576}{625}

(d)

\dfrac{24}{7}