SOLUTION: Find the trigonometric functions of theta if the terminal side of theta passes through (4,-3).

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Question 160590This question is from textbook Basic Technical Mathematics
: Find the trigonometric functions of theta if the terminal side of theta passes through (4,-3). This question is from textbook Basic Technical Mathematics

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
With sides 4 and 3 the hypotenuse is 5 because,
5%5E2=4%5E2%2B3%5E2
using the Pythagorean theorem.
The angle has the properties,
sin%28A%29=-3%2F5
cos%28A%29=4%2F5
A=-36.9=323.1