Given and is an angle in the second quadrant

MATHEMATICS · Multi-part · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Given

\cos \phi = -\dfrac{7}{25}

and

\phi

is an angle in the second quadrant, evaluate: (i)

\sin \phi

(ii)

\tan \phi

(iii)

\sin \phi + \cos \phi\,\tan \phi