Use identities to simplify the expression.tan2 x csc2 x
A. tan2 x
B. cos3 x
C. sin x
D. sec2 x
Answer: D
Mathematics
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Give the specific equation relating the variables after evaluating the constant of proportionality for the given set of values.p is proportional to q and the square root of r, and p = 30 when q = 2 and r = 9.
A. p = 
q
B. p = q
C. v = 
D. p = 5q
Mathematics
Solve the equation by completing the square.x2 + 6x - 40 = 0
A. {-4, 10}
B. {± 
}
C. {4, -10}
D. {-30, -10}
Mathematics
Find the requested approximation for the definite integral using the indicated value of n. Give all answers to three decimal places, when necessary. Find Mn
; n = 3
A. M3 = -1.156 B. M3 = -51.156 C. M3 = 11.344 D. M3 = 23.844
Mathematics
Write an inequality with the same meaning.21 < 22
A. 22 ? 21 B. 22 < 21 C. 22 > 21 D. 21 > 22
Mathematics