Find the exact value of the expression. Do not use a calculator.sec 30° - sin 45°

A.
B.
C.
D.

Answer: D

Mathematics

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Evaluate the requested trigonometric function using the information given. csc ? = - ; ? < ? < 3?/2Find cot ?.

A.
B. - 
C. - 
D. - 

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Mathematics

Simplify by removing a factor equal to 1.

A.
B.
C.
D.

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Use the laws of logarithms to expand the expression.

What will be an ideal response?

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Mathematics

Solve for the unknown in the equation.10Y = 6Y + 10 + 3Y

A. Y = 100 B. Y = -10 C. Y = 10 D. Y = -100

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Mathematics