In a right triangle, <A and <B are acute. Find the value of cos A, when tan A = 8/15 *

Question

asked Aug 27, 2021 158k views

1 Answer

Dixon Steel · Answer 1 · 2021-09-01T22:01:06+0000

Answer:cosA=15/17

Explanation:

TanA=8/15

Opposite=8

adjacent=15

hypotenuse=√(15^2+8^2)

hypotenuse=√(15x15+8x8)

hypotenuse=√(225+64)

hypotenuse=√(289)

hypotenuse=17

cosA=adjacent/hypotenuse

CosA=15/17