Solve the equation on the interval 0 ? ? < 2?.2 sin2 ? = 3(cos ? + 1)

A.
B.
C.
D.

Answer: B

Mathematics

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Simplify.

A. 6.5x6yz3
B. 6.5x6z3
C. 13x6z3
D. 13x10z5

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Find the exact value by using a half-angle identity.cos 

A.  
B.  
C. -  
D. -  

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Use the Binomial Theorem to find the indicated coefficient or term.The coefficient of x in the expansion of (3x + 5)5

A. 5,625 B. 1,875 C. 15,625 D. 9,375

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Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = - ,  < ? < 2? and tan ? = - ,  < ? < ?, find the exact value of cos (? + ?).

A.
B.
C. - 
D.

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Mathematics