Questions Answered

tolli:
Group Title
How to covert this polar form to rectangular form?
r=2sin(3theta).
 updated one year ago
 75 replies
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tolli:
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Let vector AB=(6,2,3)and vector AC= (2,3,2). How do I find vector BC?
 updated 2 years ago
 5 replies
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tolli:
Group Title
Let vector AB=(6,2,3)and vector AC= (2,3,2). How do I find BÂC?
 updated 2 years ago
 38 replies
 1 Medal

tolli:
Group Title
how do I use the halfangle formula to determine the exact value of the given trigonometric expression? cot(3pi/8)
 updated 2 years ago
 5 replies
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tolli:
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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 2 years ago
 30 replies
 2 Medals

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

tolli:
Group Title
how do I prove 2tanx/sinx=cscxtanx+secx
 updated 2 years ago
 16 replies
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tolli:
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how to solve the following equation: csc^2x4=0
 updated 2 years ago
 14 replies
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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 2 years ago
 4 replies
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tolli:
Group Title
How to start this proving this equation? cos(3x)=4COS^3x3COSx
 updated 2 years ago
 26 replies
 1 Medal

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

tolli:
Group Title
How would you start this problem?
sqrt3sinx+cosx=1
 updated 2 years ago
 17 replies
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