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...
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...
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))...
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...
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...
I dont have to show any work......
This is a trigonometry identity equation.
A shown below a canone is approaching a lighthouse on the coastlinr of a lake. The frout of a canone is 1.5 feet above the surface of the water and an observer in the lighthouse is 112 feet above...
What formula is needed to find the length of y in a triangle. using SOH CAH TOA
I have NO idea how to do any of this. I've been trying for 2 weeks without any luck. Bearings: (Start on the right of the paper) Beginning at the first survey marker (A), proceed 227...