Question

40 POINTS!!!! PLEASE HELP!!!!

Answer 1

cos(2x) = √17/17

Explanation:

Use the Pythagorean Theorem to find the sides of the triangle, then use trigonometric identities

Answer 2

cos(2x) = √17/17

Explanation:

Use the Pythagorean Theorem to find the sides of the triangle, then use trigonometric identities??