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2sin(x)cos(x)+cos(x)=0 I'm looking for exact
2sin(x)cos(x)+cos(x)=0
I'm looking for exact value solutions in [0, 3π] So I need to find general solutions to solve the
6 answers
asked by
Alex
904 views
I need to find the exact solutions on the interval [0,2pi) for:
2sin^2(x/2) - 3sin(x/2) + 1 = 0 I would start:
0 answers
asked by
Jen
931 views
Sin(2x)=2sin(x)cos(x) find the exact value in radians with 2sin^2(x)+sin^2(x)=0, i really do not get this question or even how
1 answer
asked by
john
552 views
Sin(2x)=2sin(x)cos(x) find the exact value in radians with 2sin^2(x)+sin^2(x)=0, i really do not get this question or even how
0 answers
asked by
john
526 views
find the exact value of the following (show your work using exact values)
a) sin^2 45 + cos^2 45 b)2sin^2 45 + cos (2 * 45)
1 answer
111 views
Okay, today, I find myself utterly dumbfounded by these three questions -
Write a proof for - 2/(sqrt(3)cos(x) + sin(x))=
2 answers
asked by
Veronica
881 views
Solve each equation on the given interval. If answers can be exact, leave the exact. If approximations are required, round
5 answers
asked by
Walter
371 views
find the exact value of the following
a) sin^2 45 + cos^2 45 b)2sin^2 45 + cos (2 * 45)
1 answer
69 views
12. Find the exact value of sin(2x) if sin(x)=-1/2.
sin(2x) = 2sin(x)cos(x)
1 answer
asked by
Mess
521 views
find the exact value of tan(2sin-1 3/5)
1 answer
asked by
Anonymous
1,796 views