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If f(x)=sinxcosx, what are the
I have to find an exact solutions on the interval [0,pi) for both of these problems--
1) 2sin2x = sqrtx and 2) 1-2sqrt2 sinxcosx
0 answers
asked by
kristie
663 views
Prove the following identity:
1/tanx + tanx = 1/sinxcosx I can't seem to prove it. This is my work, I must've made a mistake
1 answer
asked by
Heather
765 views
this is for proving identies and its fustrating i can't solve this one question! lol
x=feta (btw the first part is supposed to be
3 answers
asked by
diana
510 views
How do you verify:
1.) sinxcosx+sinx^3secx=tanx 2.) (secx+tanx)/(secx-tan)=(secx+tanx)^2 I tried starting from the left on both
0 answers
asked by
Corin
838 views
cos^2x-sinxcosx-1/2=o
1 answer
asked by
sandeep
630 views
sinxcosx=0,x=?
2 answers
asked by
raygene
423 views
sin^4x-cos^4x=7/2(sinxcosx)
4 answers
asked by
Dexi
2,104 views
8sin^2x+sinxcosx+cos^2x=4
2 answers
asked by
LiNnda
3,456 views
Which of the following are antiderivatives of f(x)=sinxcosx?
I f(x)=(sin^2* x)/2 II f(x)=(cos^2* x)/2 III f(x)=-cos(2x)/4
2 answers
asked by
Tiffany
4,611 views
How is the integral of cos(2x) = sinxcosx?
1 answer
asked by
Daniel
435 views