Answer:
h=
Step-by-step explanation:
1.) You must isolate the h from the equation by dividing both sides by L (or multiply by its reciprocal, which in this case, the reciprocal on L is
.....So it would look like:

2.) Simplify the equation if you need to (in this case, its not needed)

That's your answer :)
It could be:
2/4
4/8
8/16
3/6
5/10
6/12
Answer:
sin θ = 
Step-by-step explanation:
Given that,
cos θ = 
From the trigonometric functions,
cos θ = 
⇒ adjacent =
, and the hypotenuse = 3
Let the opposite side be represented by x, applying the Pythagoras theorem we have;
=
+ 
=
+ 
9 = 3 + 
= 9 - 3
= 6
x = 
Thus, opposite side = 
So that,
sin θ = 
= 
Therefore,
sin θ = 
The answer is 1.
Im too lazy to show the work, but heres how I checked
-7(1 + 2) = -14 - 7
-7 + (-14) = -14 - 7
-21 = -21