Graphs of Trig Functions
Triangles!
Verifying Identities
Inverse Trig Functions
Solve for x
100
These are the amplitude and period of y = 2 sin(2πx).
What are 2 and 1?
100
This is the value of x in 10 = x csc(35*)
What is 10 * sin(35) ?
100
cos (x - 3pi/2) simplified
- sin x
100
This is the exact value of arctan(-1) .
What is -pi / 4 ?
100
These are two solutions to the equation 2 sin x = sqrt(3)
What are pi/3 and 2pi / 3 ?
200
These are the period and phase shift of y = tan(2x-pi/2) .
What are pi/2 and pi/4 ?
200
This is the value of x in 15 = x sec (40*)
What is 15 * cos(40) ?
200
This is an equivalent expression for cosx ( 1 + cos x + sin x tan x)
What is 1 + cos x?
200
This is the exact value of sin( arcsec (2 ) ).
What is sqrt (3) /2 ?
200
solutions to tan x sin x - sin x = 0
What are 0*, 180*, 45*, 225*?
300
These are the amplitude, period, and phase shift of y = 3 cos(x/2 - pi/2).
What are 3, 4pi, and pi; ?
300
The value of cos(2x) when cos x = -12/13 and x is located in quadrant II
What is 119/169 ?
300
This is an equivalent expression for ( cos 2x ) / (sin ^2 x)
What is csc^2 (x) - 2 ?
300
This is the exact value of cot( arccos (5/6)) .
What is 5 / sqrt (11) ?
300
These are two solutions (in radians) to the equation 2 cos^2(x) + 1 = - 3 cos(x) .
What are 2pi/3 and pi ?
400
The period for sin x, cos x, and tan x
What is 2 pi, 2 pi, and pi?
400
The value of csc x when cot x = 4/3 and x is located in quadrant III
What is -5/3 ?
400
This is an equivalent expression for sin x / ( 1 + cos x ) + ( cos x ) / (sin x)
What is csc x ?
400
This is an equivalent version of the expression sin(arccos(x)), free of any trig function or inverse trig functions.
What is sqrt (1-x^2)?
400
These are two solutions sec (5x -10*) = 2
What are 14* plus or minus 72*k and 62* plus or minus 72*k?
500
Two consecutive asymptotes for 3tan(4x-pi)
What are 3pi/8 and 5pi/8?
500
The height of a balloon when a 70 foot line is used to tether a helium filled balloon. The line makes an angle of 81* with the ground.
What is 69.14 feet ?
500
this is the value of sin (A - B) when sin A = -4/5 and A is in quadrant III and cos B = -2/5 and B is in quadrant II
What is ( 8 + 3 sqrt(21)) / 25 ?
500
This is an equivalent version of the expression tan(arccot(4/(3x))), free of any trig function or inverse trig functions.
What is 3 / (4x) ?
500
These are two solutions to the equation cos(2x) = 1 - 3 sin(x).
What are 0 and pi ?
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