Find the exact value in radians.tan-1 (1)

A.
B.
C.
D.

Answer: C

Mathematics

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Solve the problem.Solve for a: 

A. a = 1
B. a = 
C. a = 
D. a = 

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Mathematics

Factor.4a2 - b2

A. (2a - b)(2a + b) B. (2 - b)(2 + b) C. (2b - a)(2b + a) D. (2a - b)2

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Mathematics

Convert the numeral to Hindu-Arabic form.

A. 200 B. 2000 C. 20 D. 26

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Factor completely. If the polynomial is prime, state this.48a4 - 75b2

A. (12a2 + 15b)(4a2 - 5b) B. 3(4a2 + 5b)2 C. 3(4a2 + 5b)(4a2 - 5b) D. 3(4a2 - 5b)2

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Mathematics