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FINAL FORMULAS

FINAL FORMULAS - ARC LENGTH S=r DEGREES TO RADIANS...

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Horizontal Rect: y= b Polar: r sin = θ b Vertical Rect: x= a Polar: r cos = θ a Line through pole Rect: Y=(tan α )x Polar: = θ α Passing thru pole tangent to pol. Axis radius = a Rect: x 2 +y 2 =±2 a y a>0 Polar: r = ±2 a sin θ a>0 Passing thru pole tangent to π2 in pol radius = a Rect: x 2 +y 2 =±2 a x a>0 Polar: r = ±2 a cos θ a>0 Center at pole radius = a Rect: x 2 +y 2 =a 2 a>0 Polar: r =a a>0 Where a >0 Where a >0, b >0, and a > b Where a >0, b >0, and a < b ARC LENGTH S= r θ DEGREES TO RADIANS 1degree= π180 radian 1 radian = 180π degrees AREA OF A SECTOR A= 12r 2 θ ANGULAR/LINEAR SPEED = ω θt : angular speed v=r : linear speed ω SINUSOIDAL EQUATIONS y=A sin ( x- )+B ω φ A=amplitude Period=T= 2πω Vertical shift= B Phase shift= L if <0 R if >0 φω φ φ IDENTITIES sin 2 +cos θ 2 = 1 θ tan = θ sinθcosθ tan +1 = sec θ 2 θ cot 2 +1 = csc θ 2 θ cot = θ cosθsinθ SUM/DIFFERENCE cos( π - 2 )= sin sin θ θ ( - π2 )=cos θ θ cos( + )=cos cos -sin sin α β α β α β cos( )=cos cos +sin sin α β α β α β sin( + )= sin cos + cos sin α β α β α β sin(
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