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Express as a sine or cosine function. 4cosxsin(x/2)cos(x/2)
Find the center, radius, and intercepts of the circle x^2+y^2+4x+2y-20=0
A sine function y = f (x) has a period of 8 and amplitude of 3. It is also known that f (2) =18 is a minimum value of the function. Find the maximum value of the function.
A vector with initial point (-2,6) and terminal point (-4,3) is translated so that its initial point is at the origin. Find its new terminal point. Is it -2, and 9?
Two sides and a angle of a non-right triangle are given as a=7, b=9, and B =49 degrees. Solve the triangle. Please show your work.
Find the area of the triangle A= α = 20 degrees, b = 11, and c = 9. Please show all of your work
Simplify the expression using the double-angle or half-angle formula
Town A and Town B lie approximately on the same meridian. Town A has latitude 55° N and Town B,50° N. Find the distance between these two cities. (The radius of the Earth is 3960 miles.) (R
Expansion of any term is not necessary; proper recognition of the form of the expression leads to the proper result.
Suppose sin(θ) = 8/17 for θ in Quadrant II. Find the values of the other trigonometric functions of θ.
Find the values of the trigonometric functions of θ if tan(θ)= 88/105.
Suppose cot(x) = -6.5 and sin(x)<0. Find the following quantities (you can use .5 instead of a square root in a numerical answer.
Write the function in terms of the cofunction of a complementary angle. Csc(5pi/12)
Find all solutions to the following equation on the interval [0,2pi)
Is anyone willing to write out the steps and explain them to me? My test is on Thursday and I'm still having trouble with these problems.
The terminal side of ? lies on a given line in the specified quadrant. Find the values of the six trigonometric functions of ? by finding a point on the line.
Use the funamental identities and simplify each expression to get a numerical value. Please show all steps that you use to solve.
Find the vertex of the parabola defined by the function y=4x^2+2x-3 by completing the square.
You have worked with various functions now. How can you tell if a function is even or odd? Graphically, what does an even function do? Graphically, what does an odd function do?
Two planes take off at the same time from an airport. The first plane is flying at 244 miles per hour on a course of 130.0 degrees. The second plane is flying in the direction 165.0 degrees at 356 m
A weather radar system scans a circular area of radius 45km. The beam rotates 6 complete revolutions in one minute. How much area (in square km) is swept through in 3 seconds.
Directions: write an equation of the conic section. Parabola with vertex at (5,3) and directrix y=6.
The sum of the circumference and height of a cylinder is 20cm. What is the surface area of the cylinder?
Find the value of tan (a-B) if cos a = -3/5, and B = 5/13, 90degrees < a < 180degrees, and 90degrees < B < 180degrees?
What is the equation for the inverse of y = Cos x + 3?