Trig Values
What is
sin (pi/6)
1/2
What is 45 DEGREES in radians?
pi/4
In what quadrant does the following point lie?
(sqrt3/2,1/2)
Quadrant 1
cosx=sqrt3/2
pi/6,(11pi)/6
sin^2x+cos^2x=
1
cos ((2pi)/3)
-1/2
What quadrant does the angle 285 degrees lie in?
Quadrant 3
In what quadrants is cosine positive?
Quadrants 1 and 4
sin x=1
pi/2
log_2 16=
4
sin((5pi)/4)
-(sqrt2)/2
What is the positive angle version of
-(4pi)/3
(2pi)/3
What is the range of values for sine?
-1 to 1
2cos(sin^-1(sqrt2/2))
sqrt2
log_16 4=
1/2
cos ((3pi)/2)
0
What is the angle below in simpler form?
(13pi)/6
pi/6
How many unit long is the radius of the unit circle?
1
2sinx+1=0
(7pi)/6,(11pi)/6
Log_3 27=
3
tan (pi/2)
Undefined
What is the simplest form of the angle:
-(10pi)/3
(2pi)/3
What quadrant has a negative cosine and positive sine value?
Quadrant 2
2cosx+sqrt3=0
(5pi)/6,(7pi)/6
log_9 (1/9)=
-1