Answer:

Step-by-step explanation:
Since Θ is in fourth quadrant then cosΘ > 0, as is secΘ
Given
sinΘ = -
, then
cosΘ = 
=
=
= 
Hence
secΘ =
= 
Answer:
The answer is 50
Step-by-step explanation:
1) multiply 6 by 7
2) multiply 4 by 2
3) add the products together
2u-2u-4uequals 2u-2u+3+u+32
Answer:
252 in²
Step-by-step explanation:
Recall area of regular polygon is A= (1/2)*(perimeter)*(apothem)
Area = (1/2)*(63)*(7)
= 252 in²