The following questions are from Chapter 1. 1. If csc ?=-3 with ? E Q1V find the
ID: 2920924 • Letter: T
Question
The following questions are from Chapter 1. 1. If csc ?=-3 with ? E Q1V find the basic trig functions. (a) cos(0)- (b) sin(0)= (e) tan(e)- 2. If sin ?- what are the 2 angles ? can be in radians. 2 3. Find sin ? and cos ? if the terminal side of ? lies along the line y 3x in Q111. The following questions are from Chapter 2. 4. If the angle of elevation is 45°15', how tall is the post that casts a shadow 10 feet. tow 5. You are using a truck to two a car, the truck exerts a force of 1000 pounds on a rope at an angle of elevation of 10. How much work does your truck do to pull the car 15 feet?Explanation / Answer
csc theta = -3
hypotenuse = 3
perpendicular = 1
base = sqrt [ 9 - 1 ] = 2 sqrt 2
a) cos theta = 2 sqrt 2 / 3
b) sin theta = - 1/3
c) tan theta = - 1/ 2 sqrt 2 = - sqrt 2 / 4
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