For an acute angle ,

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

For an acute angle

\theta

\tan\theta + \sec\theta = \dfrac{7}{3}

. Find

\sin\theta

. (a)

\dfrac{21}{29}

(b)

\dfrac{20}{41}

(c)

\dfrac{20}{29}

(d)

\dfrac{20}{21}