Find the exact value by using a sum or difference identity.sin(-15°)
A. 
B. 
C. 
D. 
Answer: C
You might also like to view...
Solve the problem.Find the average value of the function y = 
over the interval from 
to 
A. 
?
B. 
?
C. 
?
D. 
?
The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (8 sin 2t)i - (10 cos 2t)j + (7 csc 2t)k
A. a
= 32i + 28k
B. a
= -32i + 28k
C. a
= 40j + 28k
D. a
= -32i - 28k
Rationalize the equation, then use it to solve the problem.Police use a formula s = S 
, where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of l. Find the speed (nearest tenth) when 
What will be an ideal response?
Solve the problem. Round your answer to the nearest tenth, if necessary.Two pipes together can fill a large tank in 10 hr. One of the pipes, used alone, takes 15 hr longer than the other to fill the tank. How long would each pipe take to fill the tank alone?
A. 10 hr; 25 hr B. 15 hr; 30 hr C. 25 hr; 40 hr D. 12.5 hr; 27.5 hr