In with , you know and . Which of the following expressions correctly gives the…

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

Problem

\triangle ABC

with

\angle C = 90^{\circ}

, you know

AC = 15\,\text{cm}

and

\angle A = 52^{\circ}

. Which of the following expressions correctly gives the length of

BC

? (a)

15 \cot 52^{\circ}

(b)

15 \sin 52^{\circ}

(c)

15 \tan 52^{\circ}

(d)

\dfrac{15}{\tan 52^{\circ}}