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find f'(x) if f(x)=x^2cos^-1(ln*sqrootx)
find f'(x) if f(x)=x^2cos^-1(ln*sqrootx)
1 answer
asked by
Jesse Stone
323 views
cosA= 5/9 find cos1/2A
are you familiar with the half-angle formulas? the one I would use here is cos A = 2cos^2 (1/2)A - 1 5/9 +
0 answers
asked by
Anonymous
811 views
What am I doing wrong?
Equation: sin2x = 2cos2x Answers: 90 and 270 .... My Work: 2sin(x)cos(x) = 2cos(2x) sin(x) cos(x) =
1 answer
asked by
Anonymous
966 views
Find all solutions on the interval [0.2pi)
A) -3sin(t)=15cos(t)sin(t) I have no clue... b) 8cos^2(t)=3-2cos(t) All i did was move
1 answer
asked by
Dan
840 views
how does 2cos(2x)-2cos(x)sin(x) becomes 2cos(2x)-sin(2x)? Try to explain each step simply.
1 answer
71 views
Determine the solution of the equetion: 2cos x-1=0? 2cos x=0? and 2cos x+1=0?
3 answers
asked by
Miley
494 views
If √2cos(x)-1 = (1+√3)/2 and √2cos(x)+1 = (1-√3)/2, find the value of cos4x.
7 answers
asked by
sh
848 views
Find minimum value of 2cos x + 2cos y
0 answers
asked by
vikrant
394 views
Find minimum value of 2cos x + 2cos y
0 answers
asked by
vikrant
377 views
Find minimum value of 2cos x + 2cos y
1 answer
asked by
vikrant
425 views