per3.Dec.2011.review sheet

per3.Dec.2011.review sheet - Chapter 7 Trigonometric...

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Unformatted text preview: Chapter 7 Trigonometric Identities and Equations B y : H a r m a n , H a r m a n , A d i t y a , K a r a n d e e p , S h e e h a n Exploring Equivalent Trigonometric Functions 7.1 Equivalent Trig Ratios Quadrant 1 sin = sin cos = cos tan = tan Quadrant 3 sin ( + ) = - sin cos ( + ) = - cos tan ( + ) = tan Quadrant 2 sin ( ) = sin cos ( ) = - cos tan ( ) = - tan Quadrant 4 sin (2 ) = - sin cos (2 - ) = cos tan (2 ) = - tan Equivalent Trig Ratios Quadrant 2 sin( + ) = cos 2 cos( + ) = - sin 2 tan( + ) = - cot 2 Quadrant 3 sin(3 - ) = - cos 2 cos(3 - ) = - sin 2 tan(3 - ) = cot 2 Quadrant 4 sin(3 + ) = - cos 2 cos(3 + ) = sin 2 tan(3 + ) = - cot 2 Quadrant 1 sin( - ) = cos 2 cos( - ) = sin 2 tan( - ) = cot 2 sin...
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per3.Dec.2011.review sheet - Chapter 7 Trigonometric...

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