Answer:
:)
Step-by-step explanation:
For simplicity I will substitue
for β.

In the first step I used the identity
And I factored out 
Then it's just simple algebra to cancel till the 3rd step where we used another identity derived from the Pythagorean Theorem.

That's it!
Answer:
<h2>I think that is a FORMULA.</h2>
it can't be solved if we don't know the values of atleast one of the x and y.
Hope this helps.
Good luck ✅.
Answer:
Step-by-step explanation:
x = 72°
y = 61°
3rd one 10 x 6 x 6
hope this is right
Answer:
d
Step-by-step explanation:
if I divide the units of the scaled rectangle by the original you will get
