There are 4 questions, please read each question and answer it.

#15 i Evaluate the six trigonometric functions Tell whether the triangle of the angle 0. is a right triangle. 22 14 26 (-5, -12)V The triangle a right sin 8 = csc 8 = cos 0 = sec 8 = 00 0 triangle. tan 0 = cot 8 = = #13 1 Find the value of x . = #14 Find the value of x . 5 X x= 15 9 Tell whether the side lengths form a Pythagorean triple? X= O Yes Tell whether the side O No lengths form a Pythagorean triple. O Yes