Alright, lets get started.
Please take a look at the diagram attached.
The reference angle of 75 will be 75
As it is mentioned that the angle intersects the unit circle means r = 1
So, finding cos
cos 75 = 
cos 75 = 
cos 75 = 0.259 : Answer
Hope it will help :)
Answer:
1.) 15
2.) -21
3.) -15
4.) 21
Step-by-step explanation:
Answer:
I will tell you.
Step-by-step explanation:
a.-13
b.13
c.-25
d.25
e.20
f.-6
g.-22
h.-72
Answer:

Step-by-step explanation:
Given

Required
Find 

Express 32 as an exponent

By comparison:


So:

Answer: The width is 5
Step-by-step explanation:
The equation is x*(x-3)=40 solviing for x which is 8 but since width is x-3 then 8-3=5