Question

SHEELU. KUS
यदि tan 9 = 13 तो sine + cose का मान होगा-
(a) 21 (6)​

Answer 1

Viewed as a right angled triangle

tan(x)=5/12

can be thought of as the ratio of opposite to adjacent sides in a triangle with sides

5,12 and 13 (where 13 is derived from the Pythagorean Theorem)

So sin(x)=5/13

and cos(x)=12/13

Explanation: bam