Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identities
• tanx = 
• sin²x + cos²x = 1 ⇒ sin²x = 1 - cos²x
Consider the left side

=
- 
= 1 - cos²x
= sin²x = right side ⇒ verified
Divide total number of students by number of teachers:
Elmwood: 576 students / 24 teachers = 24 students per teacher.
Savory: 638 students / 29 teachers = 22 students per teacher.
Savory has the lowest students per teacher rate.
Answer:
115°
Step-by-step explanation:
<u>Exterior Angle Theorem</u> states that the sum of the two remote angles in a triangle is equal to the exterior angle.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
~ ren ⚘
Answer:
39.5
Step-by-step explanation:
In the attached file
This answer is perpendicular because of the points