Unit Circle
What points corresponds to an angle of 5n2 radians on the unit circle?
What is (0,1)
sin/cos
What is tanx
sin(x)+2=3
What is sin(x)=1 90˚
4 cos2 x-3=0
What is (2 cos+√3)(2 cos-√3)
A Ferris wheel has a radius 10m, and the bottom of the wheel passes 1 m above the ground. If the Ferris wheel makes one complete revolution every 20sec. Find the equation that give height above the ground of a person of the Ferris wheel as a function of time.
What is y=-10cos(pi/10x)+11
Find the value of sec(225˚) and tan(225˚)
What is
sec(225˚)=-2
tan(225˚)=1
1+___=csc2
What is cot2x
Solve tan2(θ)+3=0 on the interval of 0˚≤θ<360˚
What is tan2(θ)=-3, no solution
2sin2+3sinx+1=0
What is (2sinx+1)(sinx+1)
A tower, 50ft high, is secured with a guy wire anchored 8ft from the base of the tower. What angle will the guy wire make with the ground?
What is 80.9˚
Find the value of the cosine of an unspecified angle a, given that y=-7/25
What is cos=25/24
cot x (csc2+1)=csc x+1/(csc2-1)
cot (csc+1)=csc+1/cot2=csc+1/cot
What is pythagorean identity
Solve sin2(θ)-sin(θ)=2 on the interval 0≤θ<2n
What is θ=3/2n
2sin2x=1+cosx
What is (2cosx-1)(cosx+1)
If the angle of inclination of a straight line is 45˚, find its slope.
What is m=tanθ