Establish the identity.csc u - sin u = cos u cot u
What will be an ideal response?
csc u - sin u = 
- sin u = 
= 
= cos u ? 
= cos u cot u
Mathematics
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Solve the problem.Two points A and B are on opposite sides of a building. A surveyor chooses a third point C 79 yd from B and 98 yd from A, with angle ACB measuring 59.3°. How far apart are A and B (to the nearest yard)?
A. 89 yd B. 107 yd C. 116 yd D. 98 yd
Mathematics
Model the data using an exponential function 
.
x 0 1 2 f(x) 10 20 40
What will be an ideal response?
Mathematics
Use the square root property to solve the equation.6x2 = 24
A. ±2
B. 0
C. ±2
D. ±6
Mathematics
Factor out the GCF.12wx - 9wy - 12wz
A. 12w(x - 9y - 12z) B. 3w(4x - 3y - 4z) C. 3(4wx - 3wy - 4wz) D. 3w(4x - 9wy - 12wz)
Mathematics