Evaluate the given function with the following information: sin ? =  (? in first quadrant) and cos ? = -  (? in second quadrant).cos(? - ?)

A. - 
B. - 
C.
D.


Answer: C

Mathematics

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Find the indicated root of the given equation by using Newton's method. +  =  +  (between 1 and 2)

A. 1.5615825 B. 1.5615852 C. 1.5615528 D. 1.5615582

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Express the limit as a definite integral where P is a partition of the given interval.lim?0?xk, [0, 2?]

A. dx
B. dx
C. dx
D. dx

Mathematics

Multiply the polynomials. Express the answer as a single polynomial in standard form.(7x + 2)(7x - 2)

A. 49x2 + 28x - 4 B. 49x2 - 28x - 4 C. 49x2 - 4 D. x2 - 4

Mathematics

Find the LCM of the given numbers.42, 126

A. 378 B. 252 C. 126 D. 42

Mathematics