Question

if sin A =13/15,then find cosA​

Answer 1

Answer:

draw a right angle triangle ABC.  mention the right angle and the angle A.

Step-by-step explanation:

sinA= opposite side of theta/the hypotenuse.

to find the adjacent side apply pythagoras theorem.

15^2 - 13^2 = ?

225 - 169 = 56

side adjacent to theta= root 56.

cosA = adjacent/hypotenuse

cosA= root56/15

hope this helps

bye

Answer 2

i hope it will be help you