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What is cos P?  Right triangle PQR with a short leg measuring 5, a long leg measuring 12, and the hypotenuse as 13

A. 5/12

B. 12/13

C. 5/13

D. 12/5



Answer :

marmal
It depends how you name the sides of triangle.
Look at picture at the result.

[tex]cos\alpha=\frac{12}{13}\\ cos\beta=\frac{5}{13}[/tex]

PS. Sorry for my terrible drawing but I did it as fast as possible :)
View image marmal

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