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Coterminal/Reference Angles
Trigonometric Values
Trigonometric Identities
6 Trig Functions
Suprise Me!
100
The reference angle for -230 degrees.
What is 50 degrees?
100
The value of sin 30 degrees.
What is 1/2?
100
The 3 main pythagorean identities, the quotient identities, and the reciprical identities.
What is sin^2x+cos^2x=1; tan^2+1=sec^2x; 1+cot^2=csc^2x; tanx=sinx/cosx; cot=cosx/sinx; cosx=1/secx; sinx=1/cscx; tanx=1/cotx; secx=1/cosx; cscx=1/sinx; cotx=1/tanx
100
The table for y=sinx.
What is x 0 pie/2 pie 3pie/2 2pie y 0 1 0 -1 0
100
The Double Angle Identities.
What is sin 2x= (2sinx)(cosx) cos 2x= cos^2x-sin^2x
200
The coterminal angle (between 0 and 360 degrees) of 640 degrees.
What is 280 degrees?
200
The value of tan 45 degrees.
What is 1?
200
Solve sinx+(cotx)(cosx)
What is cscx?
200
The table for y=cosx.
What is x 0 pie/2 pie 3pie/2 2pie y 1 0 -1 0 1
200
Verify cos^4x-sin^4x= cos^2x
What is Check?
300
The reference angle for -250 degrees.
What is 70 degrees?
300
The value of tan pie/4.
What is 1?
300
Solve cosx (1+tan^2x)
What is secx?
300
The period and amplitude is y=5cos1/3x.
What is 6pie and 5?
300
Solve csc^2x-cot^2x?
What is 1?
400
The coterminal angle (between 0 and 2pie) of -19pie/12
What is 5pie/12?
400
The value of cos -pie/4.
What is sqrt 2/2?
400
Solve (cscx+cotx)(1-cosx).
What is sinx?
400
The table for y=3sinx
What is x 0 pie/2 pie 3pie/2 2pie y 0 3 0 -3 0
400
Solve sec^2x-(cos^2)(sec^2x)
What is tan^2x?
500
The reference angle for 31 pie/ 9.
What is 4pie/9?
500
The value of cos -pie/6?
What is sqrt 3/2?
500
Solve (sinx+cosx)(tanx+cotx).
What is cscx+secx?
500
The table for y=5cos1/2(x+pie)+3.
What is x -pie 0 pie 2pie 3pie y 8 3 -2 3 8
500
Solve (sinx)(cscx)-cos^2x
What is sin^2x?