A tower 7 m high stands on top of a building 9 m high. An observer at the bottom of the building notices that as she walks away from the building the angle which the tower subtends at her eyes seems...

A tower 7 m high stands on top of a building 9 m high. An observer at the bottom of the building notices that as she walks away from the building the angle which the tower subtends at her eyes seems...

The function for a cosine graph is f(x)=a cos b (x-c) + d, and in the parent function of f(x)=cos x, the "a" value = 1. I was taught that in a cosine function the graph "starts"...

8. Two pulleys are connected by a belt. The smaller pulley has a diameter of 8 cm and the larger pulley has a diameter of 12 cm. The smaller pulley is rotating at the rate of 60 rpm. a...

Calculate the angular velocity in radians per minute of a Ferris wheel 250 feet in diameter that takes 45 seconds to rotate once. If you sat on the rim of the ferris wheel, what is your velocity in...

Calculate the angular velocity in radians per minute of a Ferris wheel 208 feet in diameter that takes 25 seconds to rotate once. Express the answer in terms of pi.

Calculate the angular velocity in radians per minute of a Ferris wheel 250 feet in diameter that takes 45 seconds to rotate once. Express the answer in terms of pi.

Billy plants a new tree and attaches a rope to help support the tree while its roots take hold. He attached an 8ft rope to the tree and to a stake in the ground. From the stake in the ground the angle...

I have been stuck on this one forever now plz help cos2(theta) csc2(theta) + cos2(theta) sec2(theta) = csc2(theta) Edit: messed up the fact that the second cos and the sec are...

need to salve this thank you

Find the EXACT area contained by the graphs r=8cos theta and r=6sin theta

please help!

please verify with detailed instructions. Thank you and have a great day.

A)\theta =58\deg 54' B)\theta =58\deg 50' C)\theta =58\deg 56' D)\theta =58\deg 48'

solve each trigonometric equation in the interval [0,2pi] 2sin 3x-1=0

a) 6 cis 0/deg ,6 cis 180\deg b) 6 cis 90/deg ,6 cis 270\deg c) 6 cis 45/deg ,6 cis 225\deg d) 6 cis 135/deg ,6 cis 315\deg

please help!!!

Identify the conic as a circle or an ellipse. Then find the center, radius, vertices, foci, and eccentricity of the conic (if applicable), and sketch its graph. Help, the only thing I know is that...

find the cube root of 27i , and sketch these roots in a complex plane

sin a = 12/13, a lies in quadrant I, and cos b = 7/25, b lies in quadrant 1. Find cos (a+b).

what is the answers

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