The expression sinx (cosx cotx- sinx) simplifies to _? A. cos(2x)
B. 1
C. cot2x - sin2x

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

What is always true about a positive integer raised to a negative odd power?