What is the formula to change degrees into radians?
multiply π radians / 180 degrees
evaluate the 6 trig functions given t= 5Ξ /6
sin: 1/2
cos: -β3/2
tan: β3/-3
csc: 2
sec: -2/β3
cot: -β3
On the unit circle what is sin at Ξ /6
1/2
what is sin theta
opp/hyp
what is the reciprocal of sine
1/csc
Change 30 degrees into a radian measure
π/6 radians
Evaluate the 6 trig functions given sin0= 5/13
cos: 12/13
tan: 5/12
csc: 13/5
sec: 13/12
cot:12/5
on the unit circle what is the tangent at 45 degrees
1
how do you get degrees to radians
multiply by Ξ rad/180
what is the degree at 0 on the unit circle
0 degrees
Change π/9 into a degree measure
20 degrees
Evaluate all 6 trig functions given cos0=5/6
sin: β11/6
tan: β11/5
sec: 6/5
csc: 6β11/11
cot: 5β11/11
on the unit circle what is the cosine at Ξ /3
1/2
how do you find the area of a sector
A=1/2r2π
what is the missing term from the following.
hypotenuse, adjacent, and __________
opposite
Rewrite the angle in degree measures 7π/12
105 degrees
Evaluate all 6 trig function given t= -Ξ /3
sin: -3/2
cos: 1/2
tan: -β3
csc: -2β3/3
sec: 2
cot: β3/-3
on the unit circle what is the tangent at 60 degrees
β3
how do you start a complement and supplement angle
c: Ξ /2
s: Ξ
what is tangent at 3Ξ /4
1
Find the length of the arc on a circle of radius r= 15 in intercepted bt a central angle 0=120 degrees
(0 means theta)
10π
how many trig functions are there?
6
what degree at 7Ξ /6 on the unit circle
210 degrees
how do you find arc length
π=r/s
or
s=rπ
what is 2 + 2
4