Integrating Trigonometric Functions. We derived the method of integrating ∫tan" x sec" xdx for odd and even powers of m and n. We stated the formulas for power reduction for ∫tan" xdx and Ssec" xdx and Now use the same format to describe integration of ∫esc" x cot" xdx. Do not forget to write what is your substitution u and du.

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f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this