| Vectors | SOHCAHTOA | Law of Sines | Direct,inverse,and joint variation. | Radians and degrees. |
|---|---|---|---|---|
|
What is <3,-4>
This makes the vector equilibrium. <4,7>+<-6,2>+<8,-4>+<7,-3>+<-16,2>.
|
What is Sin 12/13 Csc 13/12 Cos 5/13 Sec 13/5 Tan 12/5 Cot 5/12
These are the ratios of a right triangle that has a tan value of 12/13.
|
9.7, 7.1 and 54°
Find all angles and sides of a right triangle with law of sines if the hypotenuse is 12 and one angle is 36°.
|
Direct
The formula of this variation is y=kx
|
Multiply by π/180
How do you convert radians to degrees?
|
|
√32
Find the magnitude of the vector (4,4).
|
15.92
If a triangle has a leg of 12 and its adjacent angle is 53° then what is the missing leg?
|
4.3 and 5.7
Find the legs of a triangle if the side is 7, the opposite angle is 88° and another angle is 38°.
|
z=kxy
What is the formula for joint variation?
|
9π/4
How many radians are in 765°?
|
|
What is 121.65 degrees
This angle is between the vectors <6,11> and <4,-7>.
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10°
A wheelchair ramp is 4.2 meters long and rises 0.7 meters. Find the angle of elevation?
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B=18.4ft c=93° and C=24.3ft
Shelley wants to build a triangular sandbox. She decided that angle a is 38°, side A is 15ft, and angle b is 49°. Find all missing sides and angles.
|
K=7.125
Z varies jointly with x and y. The values of x is 4, y is 7 and z is 57. Find k as the constant.
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330°
5π/4 + 2π/3= how many degrees?
|
|
105°
Two forces with magnitudes of 15 lbs and 35 lbs are applies to an object. The resultant magnitude is 28 lbs. Find the angle between the resultant vector and the vector of the 15 pound force to the nearest degree.
|
25.99 meters.
From a horizontal distance of 80.0 meters, the angle of elevation to the top of a flagpole is 18°. What is the height of the flagpole?
|
B=11.3, c=48°, and C=18.5
Find the missing sides and angles of a triangle that a= 105°, b=27°, and A=24.
|
K=70,000
A varies inversely with x. A=400, a-x=175. Find k as the constant.
|
495°
3π/4=135° which is equal to what other degree measure.
|
|
81.9°
If k is any positive number, what is the size of the angle between the vectors a = (k, k) and
b = (-3, 4)? |
What is 68.8 ft
This is the length of the shadow of a scoreboard that is 50 ft tall and makes a 36 degree angle with the sun.
|
C=8.88ft, a=46°, and A=6.98ft
A new car with three wheels is coming on to the market. B=9ft, b=68°, and c=66°. Find the other sides and angles missing from this odd vehicle.
|
K=2.12 and 307.4 yards
The distance of a golfers shot varies directly with his swing velocity. If he swings his club 125 mph and the ball goes 265 yards, find the constant, then the distance of a ball with a swing of 145 mph.
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π/4
Find the radian measure of an acute angle θ with a sin θ = 0.7071.
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