Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 45 degrees at midnight and the high and low temperature during the day are 50 and 40 degrees,...

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 45 degrees at midnight and the high and low temperature during the day are 50 and 40 degrees,...

Two points A and B are on opposite sides of a building. A surveyor chooses a third point C 76 yd from B and 102 yd from A, with angle ACB measuring 55.6°. How far apart are...

sinθ=-√5/5, 3pi/2 <θ<2pi Find sin θ/2

A force of 501 lb is required to pull a boat up a ramp inclined at 25° with the horizontal. How much does the boat weigh?

Suppose that a weight on a spring has initial position s(0) and period P. If s(0) = -5 in. and P = 2.5 sec, find a function s given by s(t) = a cos ωtthat models the displacement of the weight...

Two wheels are rotating in such a way that the rotation of the smaller wheel causes the larger wheel to rotate. The radius of the smaller wheel is 10.6 centimeters and the radius of the larger...

i) determine the exact values of x,y, and r ii) sketch angle θ in standard position iii) determine the principal angle θ and the related acute angle B to the nearest degree a)...

(tan(4pi/5)-tan(2pi/15))/(1+tan(4pi/5)tan(2pi/15))

finding cot theta=5 in the unit circle. finding the x values

2cos(x/2) + √3 = 0

The angle theta is in the first quadrant and sin of theta = 2/sqrt(13) determine the possible coordinates for point P on the terminal arm

The Addition Law - Trigonometry

The angle of elevation from the roof of a 10 m high building to the top of another building is 41o . The two buildings are 18 m apart at the base. - How tall, to the nearest metre,...

Can someone provide me a solution for this problem? Two boats leave Whitby harbor at the same time. One boat heads 19km to its destination in Lake Ontario. The second boat heads on a course 70o...

Can someone provide a solution to this problem? The angle of elevation from the roof of a 10 m high building to the top of another building is 41o . The two buildings are 18 m apart at the base...

Prove That ? Cos306°+Cos234°+cos162°+cos18° =0 Please Explain This Question.

Hi, 1. How to solve triangle, if B=109,0mm (located sublevel), C=97,0mm (located on the right side) and γ= 32,9 degrees (located between left side A and sublevel B)? 2. Same positions...

Use trig identities to verify -sin^2x+csc^2x-cos^2x=cot^2x

Please help! Use the Pythagorean Identity Sin^2 t +Cos^2 t =1 and give information to find Cos t Sin t = 2 Square root 2/ 3; 0 Less than or equal to T less then pi/2...

How to find that vaule what are steps involved in it