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Questions by rubicube
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rubicube
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User rubicube
Recent activity
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1
answer
Make a u substitution and integrate from u(a) to u(b) . u(a)=0 u(b)=30 cos to the negative 3 times 2 theta times sin 2 theta d theta
asked
Feb 25, 2019
in
Calculus Answers
|
224
views
1
answer
Use the trigonometric identity integral 2sinsquarexdx to set up a u substitution and then evaluate the indefinite integral where cos2x=1-sinsquarex
asked
Feb 25, 2019
in
Calculus Answers
|
348
views
calculus problems
indefinite integral
integral
trig identity
1
answer
Show that Y=ln|cos3/cosx|+5 is the solution to the initial value problem dy/dx=tanx, f(3)=5
asked
Feb 25, 2019
in
Calculus Answers
|
884
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