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What is the rules for evaluating expressions?
The various operations within the expression are carried out using the order of operations: BIDMAS (UK) or PEMDAS (US).
Proof of the derivative of the cosecant function?
Express the cosecant in terms of sines and cosines; in this case, csc x = 1 / sin x. This can also be written as (sin x)-1. Remember that the derivative of sin x is cos x, and use either the formula for the derivative of a quotient (using the first expression), or the formula for the derivative of a power (using the second expression).
How do you solve x 52 x - 22 37 using the quadratic formula?
With great difficulty because it is not a quadratic equation or even a quadratic expression.
What is the answer to 2xsquared plus 18x-14?
By using the quadratic formula the given quadratic expression will factor into irrational numbers and so therefore a straight forward answer is quite difficult.
What does numerical expressions mean?
A Numerical Expression is an expression only using numbers.
