Determine the value of the indicated function in the given manner.Find cos 90° by using the functions of 45°.

A. 0
B. 1
C. - 1
D. undefined

Answer: A

Mathematics

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Convert the measurement as indicated.1 gal to pints

A. 11 pt
B. 5 pt
C. 22 pt
D. 2 pt

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Mathematics

Perform the indicated operation.v = 6i + 4j + 3k  and  w = 5i + 2j - 6kFind 4v - 3w.

A. 29i + 18j + 6k B. -9i - 2j + 21k C. 9i + 10j + 30k D. 11i + 6j - 3k

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Which method should be used to solve the system? Explain your answer, including a description of the first step. x2 + 8y2 = 25-7x2 - 5y2 = 100

What will be an ideal response?

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Mathematics

Find the derivative. 

A. x6 sin (x5)
B. -cos (x5) - 1
C. sin (x5)
D. 5x4 sin (x5)

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Mathematics