[PDF] [PDF] Trigonometry Review with the Unit Circle: All the trig youll ever

a + = 2 12 a = So for the angle labeled θ , ADJACENT = 12, OPPOSITE = 5 and HYPOTENUSE = 13 opp 5 sin hyp 13 θ = = adj 12 cos hyp 13 θ = = opp 5 tan



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[PDF] Trig Cheat Sheet

cot opposite θ = Unit circle definition For this definition θ is any angle sin 1 Formulas and Identities Tangent and Cotangent Identities sin cos tan cot cos sin



[PDF] Trigonometry Review with the Unit Circle: All the trig youll ever

a + = 2 12 a = So for the angle labeled θ , ADJACENT = 12, OPPOSITE = 5 and HYPOTENUSE = 13 opp 5 sin hyp 13 θ = = adj 12 cos hyp 13 θ = = opp 5 tan



[PDF] Trigonometry

tangent (tan), cosecant (csc), secant (sec), and cotangent (cot) Below you An ordered pair along the unit circle (x, y) can also be known as (cos , sin ),



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The adjacent side = 1 therefore tan v° = opposite side We can add this to the diagram of the unit circle To see the connection between sin, cos and tan we do  



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tan x = sin x cos x The cotangent of x is defined to be the cosine of x divided by the sine of x: The reason is simple: opposite angles on the unit circle (like π 4



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Find ) cos(θ and ) sin(θ Knowing the radius of the circle and coordinates of the point, we can evaluate the cosine and sine functions as the ratio of the sides 5



[PDF] Trigonometric Functions on the Unit Circle Given a point on the

Trigonometric Functions on the Unit Circle y sin θ = y csc θ = r r y cos θ = x sec θ = r r x tan θ = y cot θ = x x y Ex Find the six trig values of (8, 6) if it's a point on 



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Circle Courtesy of Randal Holt Original Source Unknown http://www MathematicsHelpCentral com Positive: sin, csc Negative: cos, tan, sec, cot Positive: sin 



[PDF] Why Question Trigonometry Unit Circle and functions

Casey Trenkamp Why Question #40 Why is the Unit Circle Important? Where did relationships ” (History of Trigonometry Wikipedia) tan a = sin a cos a



[PDF] Trigonometric Functions: The Unit Circle

takes the real number line and wraps it around the unit circle abbreviations are sine (sin), cosine (cos), tangent (tan), secant (sec), cosecant (csc), and

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