I don't know how to go about this question : An Equilateral triangle has perpendicular height h. A) find the length of each side, in terms of h B) without using your calculator, show that the...
I don't know how to go about this question : An Equilateral triangle has perpendicular height h. A) find the length of each side, in terms of h B) without using your calculator, show that the...
Tan(2 theta)=-1
Trigonometry
5 csc theta-3=2
Csc theta=-3
Joe wants to put Christmas lights on the edge of his roof. His roof makes a 45 degree angle with the top of the house. If the house is 120 feet wide, find the amount of roof that needs to be covered...
sin(u+pi) = cos(u+pi) = tan(u+pi) = sin(u+(pi/2)) = cos(u+(pi/2)) = tan(u+(pi/2)) = I figured out the first few but this +pi stuff...
A power failure on the bridge of a Great Lakes freighter has resulted in the ship's navigator having to do her own calculations. She measures the angle between the ship's course and a lighthouse on...
It is impossible to measure the length of a particular swamp directly. (Snapping turtles!!) Kendra put a stake in the ground and measured from the stake to opposite ends of the swamp, the results...
cos(u) = -5/13 tan(u) = 12/-5 sin(-u) = -12/13 cos(-u) = 5/13 tan(-u) = 12/5 sin(u+pi) = -12/13 cos(u+pi) = 5/13 tan(u+pi) = -12/5 sin(u+(pi/2))...
10. A ship is traveling due northeast at 18 knots with a current of 8 knots in the direction due north. What is the true course of the ship and what is its actual speed? (hint: course is measured...
11. A plane travels on a course of 128° at airspeed of 450mph. There is a wind of 85 mph in the direction of 190°. What is the plane’s course and groundspeed?
So my teacher asked us challenge problems for this 1.Is the statement tan(x-y)=tan(x)-tan(y) true for all values of x and y? 2.Given the sum and difference identities for sine and cosine,...
the height of a bicycle pedal above ground after t seconds is given by h=24-14 sin 2t 1.find the height when t=0 2.find the maximum height of the pedal above ground 3.find the first...
i know it is -0.7813 but how do i get to that answer
Trigonometry
Solve each equation the interval 0<equal to theta<2 pi
A hexagonal nut is to be constructed to fit a 1 inch bolt. The minimum wall thickness is to be .20 inch. What is the minimum diameter, to the nearest hundredth of an inch, of cylindrical stock material...
a trig question
A child enters a carousel that takes one minute to revolve once around. The child enters at the point (0, 1), that is, on the due north position. Assume the carousel revolves counter clockwise...