Find the indicated trig function ofθ, if θ is an angle in standard position with the terminal side defined by the given

point.

(12, 16); Find cos θ.

answer is 4 over 5 but how do i find this?

please help ^_^ <3

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- October 25th 2007, 04:48 PMHelpMePleaseFriendFind the indicated trig function HELP ^_^Find the indicated trig function ofθ, if θ is an angle in standard position with the terminal side defined by the given

point.

(12, 16); Find cos θ.

answer is 4 over 5 but how do i find this?

please help ^_^ <3

- September 5th 2013, 02:16 AMbrosnan123Re: Find the indicated trig function HELP ^_^
Solution :

Given ?

Solution: Given ? is an angle in standard position with the terminal side defined by the given point. (12, 16) find cos ?

one side AB =12 and another side BC =16

by Pythagoras we fine ACē=ABē+BCē

ACē=400

AC=20

know that cos ? =16/20 cos ? =4/5