Linear Functions
Grab Bag
More Function Stuff
Trigonometric functions
Trig Identities
100
the slope of the line given by y = 3x + 4
What is 3 ?
100
The number of solutions to the system ....... y = 2x  3 ...... y = 5  2x
What is none? (the lines are parallel)
100
The number of roots of this equation: 6c^3  3c^2  45c = 0
What is three?
100
The trig ratio for an angle in a right triangle that is equal to the adjacent side length divided by the hypotenuse
What is cosine?
100
The trig function that is equal to sin A divided by cos A
What is tan A ?
200
The line through the point (x1,y1) with the slope m has the equation y  y1 = m(xx1).....
What is PointSlope Form?
200
Professor's last name
What is De Viana?
200
Domain of exponential functions
What is all real numbers?
200
the trig function that is the reciprocal of sine
What is cosecant (csc) ?
200
the missing number in sin^2 A + cos^2 A = _??_
What is 1 ?
300
The way you can tell two lines are perpendicular by their equations
What is the slopes are opposite reciprocals ?
300
if g(x) = 2x  9, find a function f such that g(f(x))= x
What is f(x) = 1/2(x+9)? Since g(f(x)) = x, g(f(x)) = 2(f(x))  9 = x and therefore 2(f(x)) = x+9 f(x) = (x+9)/2
300
The graph of the inverse of f(x) is related to the graph of f(x) ....
What is the domain of f(x) is equal to the range of the inverse of f(x) and the range of f(x) is equal to the domain of the inverse of f(x)?
300
Ɵ = 120°, so radians =
what is 2π/3?
300
the value of tan x when cot x = 1/2
What is 2 ?
400
the equation of a vertical line passing through (2,5)
What is x = 2 ?
400
Cos(π/6) = ?
What is sqrt(3)/2?
400
The graph of inverse functions is the reflection of the original graph over this imaginary line (hint: give an equation)
What is y = x ?
400
The symmetry of sine functions is ......
What is odd?
400
If you need to find the exact value of the sine of 15 degrees, knowing the value of the sine of 30 degrees, the type of identity you need
What is a halfangle identity ?
500
the slope of the line connecting (4,11) and (8,14)
What is 3/4 ?
500
Of the points (0,0) (3,2) or (2,4) the one that satisfies the inequality x + y > 3
What is (3,2) ?
500
The polynomial in standard form whose roots are 3 and 2
What is x^2 + x  6 ?
500
the value of the expression sin(arcsin 1/2)
What is 1/2 ?
500
Find sinθ if cosθ = 12/13 and tanθ = 10/12
What is 10/13?
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