Find the exact value. If any are not defined, write undefined.sin 90°

A. Undefined
B. 1
C.
D. 0

Answer: B

Mathematics

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Graph the equation for the given values of z.z = x2 + y2, z = 0, z = 2, z = 4, z = 6, z = 8

A.

B.

C.

D.

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Multiply or divide measurement numbers, rounding to the correct precision.

A. 0.044375 
B. 0.04438 
C. 0.0444 
D. 0.044 

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Find the exact value of the expression.cos  sin  - cos  sin 

A.
B.
C.
D. 1

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Find the area of the triangle. If necessary, round the answer to two decimal places.a = 6, b = 6, c = 7

A. 15.54 B. 17.06 C. 18.25 D. 21.14

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Mathematics