Find the exact value of the expression or state that it does not exist.cos[tan-1(-1)]
A. 
B. 
C. - 
D. - 
Answer: B
You might also like to view...
Determine whether the activity can be used to illustrate the given property.Making a pot of coffee, brushing your teeth, and taking a shower.Does the associative property hold?
A. Yes B. No
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.A car's speedometer shows that the car is going 89 km/hr. What is this in miles per hour?
A. 55.2 mi/hr B. 143.3 mi/hr C. 84.2 mi/hr D. 94.3 mi/hr
Convert the equation to Cartesian form.r = 
A. 17x2 - 54x + 64y2 + 9 = 0 B. 17x2 + 27x + 64y2 + 9 = 0 C. 17x2 + 54x - 64y2 + 9 = 0 D. 17x2 + 27x - 64y2 + 9 = 0
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.(logax - logay) + 3logaz
A. loga
B. loga
C. loga
D. logaxz3y