Use the fundamental identities and simplify the expression to get a numerical value.sin2 x(cot2 x + 1)
A. 1
B. -1
C. cos2 x + 1
D. tan2 x
Answer: A
Mathematics
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Translate the sentence to an equation.A number increased by 7 is 29.
A. 29 + x = 7 B. 7 + x = 7 C. 7 + 29 = x D. 7 + x = 29
Mathematics
Factor the sum or difference of cubes.z3 - 1
A. (z + 1)(z2 - z + 1) B. (z - 1)(z2 - 2z + 1) C. (z - 1)(z2 - 1) D. (z - 1)(z2 + z + 1)
Mathematics
Round to the nearest whole number.90.9
A. 92 B. 91 C. 82 D. 90
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics