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tolli:
Group Title
A sample containing 0.800 moles of POCL3 is enclosed in a 0.500 litre vessel at a certain temperature. When the equilibrium for the dissocia…
 updated one year ago
 No Medals Yet
Mathematics

tolli:
Group Title
How to covert this polar form to rectangular form?
r=2sin(3theta).
 updated one year ago
 75 replies
 No Medals Yet
Mathematics

tolli:
Group Title
The line L1 is parallel to the zaxis. The point P has position vector(8,1,0) and lies on L1. Write down the eqaution of L1 in the form r=a+…
 updated one year ago
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Mathematics

tolli:
Group Title
Line L1 passes though points A(1,1,4) and B(2,2,5). Line L2 has equation r=(2,4,7)+S(2,1,3). How would I find the angle between L1and L2?
 updated one year ago
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Mathematics

tolli:
Group Title
An equation for the line (MK)is r=(0,7,0)+s(6,7,10). How would I write an equation for the line in the form of r=a+tb?
 updated one year ago
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Mathematics

tolli:
Group Title
Let vector AB=(6,2,3)and vector AC=(2,3,2). How do I find a unit vector in direction of vector AB
 updated one year ago
 1 reply
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Mathematics

tolli:
Group Title
Let vector AB=(6,2,3)and vector AC= (2,3,2). How do I find vector BC?
 updated one year ago
 5 replies
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Mathematics

tolli:
Group Title
Let vector AB=(6,2,3)and vector AC= (2,3,2). How do I find BÂC?
 updated one year ago
 38 replies
 1 Medal
Mathematics

tolli:
Group Title
A triangle has its vertices at A(1,3),B(3,6) and C(4,4). show that vectorAB *vectorAC=9. Help please!
 updated one year ago
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Mathematics

tolli:
Group Title
how do I use the halfangle formula to determine the exact value of the given trigonometric expression? cot(3pi/8)
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

tolli:
Group Title
How do I find the exact value of sin(u+v) given that sinu=8/17 and cosv=60/61.Both angles are in quadrant 2
 updated one year ago
 30 replies
 2 Medals
Mathematics

tolli:
Group Title
how do I find the identity to: csc^3xcot^2xcot^2x
 updated one year ago
 5 replies
 1 Medal
Mathematics

tolli:
Group Title
how do I prove 2tanx/sinx=cscxtanx+secx
 updated one year ago
 16 replies
 No Medals Yet
Mathematics

tolli:
Group Title
how to solve the following equation: csc^2x4=0
 updated one year ago
 14 replies
 No Medals Yet
Mathematics

tolli:
Group Title
How to factor the expression below and using the fundamental identities to simplify: cos^4xsin^4x
 updated one year ago
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Mathematics

tolli:
Group Title
The area of a triangle below is 2.21 cm^2.The length of the shortest side is x and the other two sides are 3x and (x+3)cm. Using the formula…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

tolli:
Group Title
How to start this proving this equation? cos(3x)=4COS^3x3COSx
 updated one year ago
 26 replies
 1 Medal
Mathematics

tolli:
Group Title
Does anyone know how to solve this? csc^4(2X)4=0 for all real numbers?
 updated one year ago
 55 replies
 3 Medals
Mathematics

tolli:
Group Title
How would you start this problem?
sqrt3sinx+cosx=1
 updated one year ago
 17 replies
 No Medals Yet
Mathematics

tolli:
Group Title
How to verify the following identitie:cot(t)+tan(t)/cot(t)=sec^2t
 updated one year ago
 2 replies
 No Medals Yet
Mathematics