Answer:

Step-by-step explanation:
It is given that:

And we have to find the value of 
As per trigonometric identities, the relation between
can represented as:

Putting
in place of
Because we are given

Putting value of cosine:


It is given that
is in 2nd quadrant and value of sine is always positive in 2nd quadrant. So, the answer is.

Answer: I need a picture off the pool and measurements.
Step-by-step explanation: I need this in order to figure out the problem and give you a helpful answer.
we know that
Step 
in the right triangle XYZ
Applying the Pythagorean Theorem
Find the value of ZY


Step 
in the right triangle XYZ
Find tan
°
we know that

in this problem
opposite side angle
is ZY
adjacent side angle
is XZ
so

therefore
the answer is

Answer:
3x - 6
Step-by-step explanation:
Segment YB = x + 3
Segment BW = 2x - 9
Add the two segments.
x + 3 + 2x - 9
3x - 6
The diagonal YW is 3x - 6 units long.