Answer: 
Step-by-step explanation:
Given

lies in the fourth quadrant
So, sine must be negative in the fourth quadrant
Using identity
to find sine value


Answer:
do 49 x 49 which equals 2,401 then check it
put 2,401 square root which equals 49
Answer:
supplementary angles
Step-by-step explanation:
Answer:
The answer would be d(c(x)) = .60x - 5
Step-by-step explanation:
In order to write an equation for d(c(x)), start with the d(y) equation.
d(y) = .80y - 5
Now input the c(x) equation in for y and then solve.
d(c(x)) = .80(.75x) - 5
d(c(x)) = .60x - 5