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:
(B) 5/6 ·13÷4
(C) 5/6 ÷4·13
(D) 5/6 · 13/4
Step-by-step explanation:
Amount of paint per can = liters.
Number of cans used to paint 4 cars = 13
Total amount of paint used for 4 cars = liters.
= liters.
= liters.
Total amount of paint used for 1 car = liters.
= liters.
Of the given options, option B,C and D correspond to the same value.