In ( ABC ), ( B = 90^ )

MATHEMATICS · Multi-part · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

\triangle ABC

\angle B = 90^\circ

. It is given that

\tan A = 3/4

and the hypotenuse

AC = 13

cm. (i) Find the lengths of sides AB and BC. (ii) Using the lengths obtained in part (i), calculate

\sin A

and verify that it agrees with the value obtained from the side ratios.