Express the function in terms of its cofunction.sin 4°
A. sin 94°
B. cos 4°
C. csc 86°
D. cos 86°
Answer: D
Mathematics
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Multiply or divide.
A. -0.8 B. -7.2 C. 0.8 D. 7.2
Mathematics
Perform the indicated operations graphically.4 + (-3 + 4j )
A. 
a = 4
b = -3 + 4j
c = 4 + (-3 + 4j )
B. 
a = 4
b = -3 + 4j
c = 4 + (-3 + 4j )
C. 
a = 4
b = -3 + 4j
c = 4 + (-3 + 4j )
D. 
a = 4
b = -3 + 4j
c = 4 + (-3 + 4j )
Mathematics
Solve the problem.Evaluate cos-1 
degrees.
A. 180° B. 0° C. 90° D. -90°
Mathematics
Solve.A recipe for fudge brownies calls for 2
cups of cocoa per batch. If you are making 2
batches, how many cups of cocoa are needed?
A. 1
cups
B. 4
cups
C. 5
cups
D. 1
cups
Mathematics