Complete the identity.sin2 x + sin2 x cot2 x = ?
A. cot2 x + 1
B. sin2 x + 1
C. cot2 x - 1
D. 1
Answer: D
Mathematics
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Solve the inequality.A salesperson has two job offers. Company A offers a weekly salary of $180 plus commission of 6% of sales. Company B offers a weekly salary of $360 plus commission of 3% of sales. What is the amount of sales above which Company A's offer is the better of the two?
A. $6100 B. $6000 C. $3000 D. $12,000
Mathematics
Solve the polynomial equation in the complex numbers.2x3 - x2 - 10x + 5 = 0
A. {2, 
, -
}
B. {-2, 
, - 
}
C. {
, 
, - 
}
D. {- 
, 
, - 
}
Mathematics
Sketch the graph of the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Factor completely.6x2 - 21x - 12
A. (6x - 3)(x + 4) B. (2x - 1)(3x + 12) C. 3(2x + 1)(x - 4) D. 3(2x - 1)(x + 4)
Mathematics