Question

if cos theta=3/5 find the value of 5 sin theta-3 tan theta​

Answer 1

Answer:

Cos theta = Adjacent side/Hypotenuse.

Draw a triangle with the given measures(see attachment)

By pythagoras theorem, opposite side² = 5² - 3² = 16

opposite side = √16 = 4

sin theta = opp. /hypotenuse = 4/5

tan theta = sin theta/cos theta = 4/3

0

5sin theta - 3tan theta = 5(4/5) - 3(4/3)

= 4 - 4

= 0