Triangles
Assume a triangle ABC. Side AB is 17.8 feet, side BC is 19.98 feet, and side CA is 22.8 feet. Find angle A.
56.8º
Convert -(pi/6) into degrees, and state which quadrant it is in
-30, IV
Determine if the following function is periodic or not. If it is, state the period, if not, briefly explain. https://bit.ly/3tOa8BH
It is. Period = 6
Assume a triangle ABC. Side AB is 20 meters, side AC is 14 meters, and angle A is 123º. Find angle B.
23.07º
What's the value of the cosine of the angle equivalent to the line that divides quadrants III and IV?
0
Find the amplitude and period of the function y = 4cos 2θ
Amplitude: 4
Period: Pi
Find the exact value of sin((2pi)/3)
(root3)/2
Find the amplitude and period of the function y = sin(x-pi)-3
Amplitude: 1
Period: 2pi
Suppose you invest $2700 at an annual interest rate of 2.9% compounded continuously. How much money will you have after 10 years?
$3604.35
Find the inverse of f(x)=2x3-1
cube root((x+1)/2)
Find the exact fractional value of tan(90)
Undefined
What's the value of y for the function sin(x-pi)-3, when x is equal to 2pi radians?
-3.5
Assume a triangle ABC. Side AB is 16 inches, side BC is 7 inches, and angle B is 31º. Find the area of triangle ABC to 5 significant figures.
28.842 in2
Suppose you invest $3200 at an annual interest rate of 1.9% continuously compounded. Your friend at another bank invested the same amount at the same interest rate compounded per annum. After 25 years, what (if any) will be the difference in capital return?
$22.88 in your favour
Given that f(x) = 3x-8 and g(x) = 4-8x, find f∘g(10)
-172
What are the coordinates of a point laying at (5pi)/6 radians on the edge of a unit circle?
(-(root3),1)
What's the value of y for the function 4cos 2θ, when x is equal to (7pi)/4 radians?
0