| Radians and Degree Measure | Variations | Law of Sines | Double/ Half Angles and add/sub formulas | Quadratic Equations |
|---|---|---|---|---|
|
Pi/2
What is 90 degrees in radians?
|
G=hk/m
G=hk/mWrite the equation for the statement below:
G varies directly with h and varies inversely with m. |
a=5.5,
a=5.5,
|
Sin2u= 24/25, cos2u= -7/25, tan2u= -24/7
Find the value of sin2u, cos2u, and tan2u when x=(4/3) in quadrant I.
|
(X-6)(x+8)
Factor the quadratic.
X^2 +2x-48 |
|
2pi/3
What is 120 degrees in radians?
|
Y=2x
Solve and write the equation.
Y varies directly with x. If x equals , then y equals 10. |
c=70.5, a=89.4,
If angle B is 29 degrees, angle C is 51 degrees, and side b is 44 then find the other three parts to complete the triangle.
|
-(root[2+root2])/ 2
What is the sin 67.5? (Hint: use half angles)
|
X= -2/3 or 1/3
Factor the equation and find the zeros.
9x^2 + 3x-2=0 |
|
135 degrees
What is 3pi/4 in degrees?
|
H=gmk/R; k=1/2; H=(gm1/2)/R
If H is jointly proportional to g and m and inversely proportional to R, what would the linear equation be if g=2 , m=4, R=16, and H is 1/4?
|
If side a is 42, side c is 36, and angle C is 38 degrees then find the missing sides and angle.
|
(Root6-root2)/4
Using the addition-subtraction formulas, what is the value of cos75?
|
X= 1 or 1/5
Solve using the quadratic formula.
5x^2 -6x+1=0 |
|
320 degrees
What is 16pi/9 in degrees?
|
9/2
If 2 jointly varies with n,m, p, and q and inversely varies with s^2, and n is equal to three, m is equal to two, p is equal to one half and z equals twenty then what does z equal when n,m, and p are all equal to two, q is equal to three and s is four?
|
a
If side b equals 12, side c is 8, and angle B is 42 degrees then find the missing angles and side.
|
A) cos 58
B) cos178 C) tan 32S
Simplify the expressions.
A) 1-2sin^2 29 B) cos^2 89- sin^2 89 C) (2tan16)/ (1-tan^2 16) |
X= 2 +root13 or x=2-root13
Solve by completing the square.
X^2-4x-9=0 |
|
8pi
What is 1,440 degrees in radians?
|
C=82.23
The cost C of logging trees is jointly proportional to the number of workers,W, and the number of trees, n, and inversely proportional to the time, T. If there are 14 workers that spend five hours logging 76 trees costing the company $700 then how much w
|
X=105.9
feetTo find the distance across the river a surveyor chooses point A and B which are 150 feet apart on the same side of the river, she then chooses a reference point C on the opposite side of the river, and finds that angle BCA is equal to 62 degrees and
|
Use the half angle formula to find the value of:
A) tan 5pi/6 B) cos15
A) -(2root3)/6
B) root((2+root3)/4) |
X=2+ (root7)/2 and x=2- (root7)/2
Factor and solve the equation by completing and simplify the zeros.
4x^2-16x+9=0 |
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