Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.sin 405°

A.
B. - 
C. - 
D.


Answer: D

Mathematics

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Provide an appropriate response.Find the tangent to the curve y = 4 cot  at x = . What is the largest value the slope of the curve can ever have on the interval 

What will be an ideal response?

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Multiply.91 × 0.1

A. 9.1 B. 10.2 C. 91.1 D. 9.21

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Determine whether the fractions are equal. and 

A. Yes B. No

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For the given pair of points, find the equation of the line  that goes through the points by solving a system of equations.(9, -9) and (7, -3)

A. y = 3x - 18 B. y = 3x - 36 C. y = -3x - 9 D. y = -3x + 18

Mathematics