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18 Cards in this Set
- Front
- Back
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180 degrees= how many radians?
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pi
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radians x ( ) = degrees
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180/pi
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degrees x ( ) = radians
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pi/180
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how do you find arc length?
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s = radius x theta
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area of a sector?
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A = 1/2 {radius}^2 theta
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sin s
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y
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cos s
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x
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tan s
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y/x x can not equal 0
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csc s
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1/y y can not equal 0
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sec s
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1/x x can not equal 0
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cot s
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x/y y can not equal 0
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domain of sin and cos
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(neg infinity, infinity)
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domain of tangent and secant
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(s | s /=/ (pi/2) + n pi}
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domain of cotangent and cosecant
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{s | s /=/ n pi}
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angular velocity?
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omega = theta/t
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linear velocity (velocity, arc length, time)
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v = s/t
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linear velocity (radius, theta, time)
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v= {radius x theta)/t
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linear velocity (radius, angular velocity)
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v= radius x omega
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