a= arccos,11-x1+xcosa + Cos2 at CotaSinat Sinat tonaand xL1 for xa 1 h valuethe trigenametricexpression by performi">=&g... 查看全部
in terms of cosine and sinesec²(x) - tan² (x)
5. (4 pts) Find the period and horizontal shift of each of the following functions. a. h(x) = 2 sec (+ (x + 1)) b. n(x) ... 查看全部
4. (8 pts) A Ferris wheel is 35 meters in diameter and boarded from a platform that is 3 meters above the ground. The si... 查看全部
2. (8 pts)For each of the following equations, find the amplitude, period, horizontal shift, and midline. a. y = 4 sin +... 查看全部
2. GIVEN: tan A = and tanB = find the EXACT value of sin (2A - B). (angles A and B are both in quadrant 1)
Given F1=91kips, F2=14kips and F3=91 kips. Calculate the memberforce in member BD in kips . Express your answer in 1 dec... 查看全部
Find the closed surface area (sides as well as top and bottomsurfaces) of a cylinder which is centered on the z-axis and... 查看全部
A right triangle contains a 25° angle. (a) If one leg has length 15 inches, what is the length of the hypotenuse? (b) Th... 查看全部
Please show all work for these3 questions.7) The angle of elevation from a boat to the top of a 90 meter hotel is 10 °. ... 查看全部