What is the radius of a circle in which an angle of 3 radians cuts off an arc length of 30 cm?
What is the radius of a circle in which an angle of 3 radians cuts off an arc length of 30 cm?
One end of a 9.3 foot pole is 13.6 feet from an observer's eyes, and the other end is 17.4 feet from the observer's eyes. Through what angle does the observer see the pole?
1) A flying doctor plane flies from its base (B), in a direction of 072degreesT for 80km to reach an outback station (S). From there, the flying doctor travels in a direction 162degreesT for...
My professor claims that it's best to use law of sin or cosine. One end of a 9.3 foot pole is 13.6 feet from an observer's eyes, and the other end is 17.4 feet from the observer's eyes...
For the vectors u=(-3,-2) and v=(4,-2), evaluate the following: a) The magnitude (length) of vector u (simplified radical form) b) A unit vector in component form which has the...
how do you find the angle of a triangle with sides (6u-1) and (1u) and an area of 5cm^2 ? there was a question like this in a test i did but i couldn't work out the...
Find the coordinates of the point at the given angle on a circle of radius 4.2 centered at the origin (a) −540? (b) 135?
Find an angle θ, with 0? < θ < 360?, that has the same: (a) Cosine as 240? (b) Sine as 240?
From the center of long straight wall, Tim painted a straight line on the floor in the room. Tim then measured the angle made by the line and the southern half of the wall to be 102.7 degrees. What...
if an angle is 20 degree more than its supplement, then find it.
Between the times 830 am and 3:30 pm, how many times will the hour and minute hands form a right angle on a clock face? a. 2 b. 5 c. 11 d. 12 My answer is...
Find the angle of refraction of light incident on a water surface at an angle of incidence of 52°. What is the speed of light in water?
A ship is sailing on a bearing of SE. It changes direction and sails on a bearing of NE. Through what angle did it turn?
Find the angle between the vectors [-3 3] and [-5 5]
Find the angle between the vectors [1 4 -5] and [5 -5 4]
When angles are complementary, the sum of their measures is 90 degrees. Two complementary angles have measures of 2x-10 degrees and 3x-10degrees.
A ray of light strikes a mirror. The angle formed by the incident ray and the reflected ray measures 90 degrees. What are the measurements of the angle of incidence and the angle...
Find a positive and negative angle whose absolute value is less than 360° and is coterminal with the given angle.-485°
Determine the angle between vector PQ and the positive x-axis, given endpoints P(4,7) and Q (8,3)
Write the following in the polar form reiθ, -pie<0≤pie a)πi r= θ= b)-2√2- 5i r= θ= c) (1-i)(-√(3)+i)) r= θ= d)(√(2)-5i))2 r= θ= e)(-5+√(2i))/(5+3i) r= θ= f)...