So. Allow me to justify what i just did.
First line: by definition, tangent in sine/cosine, and cotangent is the reciprocal of that.
Second line: You have to multiply by (

) to get a common denominator, so you get the second line.
Third line: Canceling stuff out. to get that.
Fourth line: Adding them together since they now have common denominators.
Fifth line: By terms of the pythagorean identity,

+

=1. so that is equal to the right side.
Thus verified.
Answer:
45
Step-by-step explanation:
because the mass
Answer:
Answer is B hope this helps
Step-by-step explanation:
Answer:
B.
Step-by-step explanation:
You must first subtract 12 from 27, which marks out two answers. A, and D.
Then, if NAthan traveled 3 times as far s philip, then you would multiply by three. leaving you with the only option being,
B.