Choose the equivalent expression for the given expression.sec2x
A. 1 - csc2x
B. 1 - tan2x
C. 1 + cot2x
D. 1 + tan2x
Answer: D
Mathematics
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Perform the indicated operation(s). Where possible, reduce the answer to lowest terms.
- 
A. - 
B. 
C. 0
D. 
Mathematics
Find the measure of the indicated angle. Figure is not drawn to scale.
A. 60°34' B. 60°17' C. 62°47' D. 60°38'
Mathematics
Add or subtract. Then simplify by collecting like radical terms, if possible.-20
- 13
A. -7
B. 8
C. 32
D. -33
Mathematics
Factor the polynomial completely.21x2 - 91x - 70
A. prime polynomial B. (21x + 14)(x - 5) C. 7(3x - 2)(x + 5) D. 7(3x + 2)(x - 5)
Mathematics