Establish the identity.cot2x = (csc x - 1)(csc x + 1)
What will be an ideal response?
cot2 x = csc2 x - 1 = (csc x - 1)(csc x + 1).
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Evaluate the integral.
A. 13 B. 0 C. 1 D. -13
Determine if the following is a linear equation in one variable. If not, state why not.12x + 27 = 3x - 45
A. It is a linear equation in one variable. B. It is not a linear equation in one variable because it has more than one variable. C. It is not a linear equation in one variable because it is nonlinear. D. It is not a linear equation in one variable because it is not an equation.
Answer the question or give an explanation.Name four posting or recording errors that can cause an unbalanced checking account.
What will be an ideal response?
Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. x - 5
B. x + 5
C. 
- 5
D. 
+ 5