Answer:

Step-by-step explanation:
Given: (8,-15) is on the terminal ray of angle
To find: All the trigonometric ratios
Solution:
Trigonometry is a branch of mathematics that explain relationship between the sides and angles of triangles.
If (x, y) lies on the terminal side of θ then 
units

Answer:
The relationship is proportional ✧
3x+2(5x-3)=7
3x+10x-6=7
13x-6=7
13x=13
x=1
Answer:
k= -4
Step-by-step explanation: