296 Answered Questions for the topic Trigonometric Functions
Trigonometric Functions
03/04/14
i need help with this
the area of a sector of a circle with angle 45 degress is 4 square feet. find the radius of the circle. if your computation involves pi, use pi=3.14159. round to 2 decimal places.
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Trigonometric Functions
03/04/14
how to solve this?
find the lenght of an arc with angle 120 degress in a circle with radius 3 meters. Round answer to 2 decimal places. If you need something related to pi, use pi=3.14159 or its exact value.
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Trigonometric Functions
02/25/14
What is the value of arcsin(3/5) & arcsin(1/sqrt5) in terms of pi radian ?
With reference to Inverse Trigonometric Functions, please help me in details calculation/description for finding out the value of arcsin(3/5 & arcsin(1/sqrt5) in terms of pi radians.
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01/07/14
Find the value of ALL the other five trigonometric functions, given tanx= 4/11, secx<0.
Thanks for the help! If you could please show all your work? Thanks again!
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01/06/14
Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0
This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!
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01/06/14
Find all solutions in the interval [0,2pi): sin2x=cosx
This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!
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01/06/14
Find all solutions in the interval [0,2pi): tan^2x+(sqrt3 - 1)tanx-sqrt3 = 0
This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!
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01/06/14
Write sin(sin^-1x-cos^-1x as an algrebraic expression in x.
This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!
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01/06/14
Find the value of the other five trigonometric functions, given tanx= 4/11, secx<0.
This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!
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2
Expert Answers
•1
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01/05/14
Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0
This is for my trig class, thanks for the help!
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3
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•2
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01/05/14
Verify: sin9x+sin5x/cos9x-cos5x=cot2x
This is for my trig class, thanks for the help!
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01/05/14
Verify tan^4x+2tan^2x+1=sec^4x
This is for my trig class, thanks for the help!
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01/05/14
Verify: 1+cosx/sinx+sinx/1+cosx=2cscx
This is for my trig class, thanks for the help!
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01/05/14
Verify: cosusinv=1/2[sin(u+v)-sin(u-v)
This is for my trig class, thanks for the help!
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01/05/14
Use the double angle formulas to determine: A. cos120degrees and B. tan300degrees
This is for my trig class, thanks for the help!
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01/05/14
Write sin(sin^-1x-cos^-1x) as an algebraic expression in x.
This is for my trig class, thanks for the help!
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3
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•2
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01/05/14
Verify tan(x+pi/4)= 1+tanx/1-tanx
This is for my trig class, thanks for the help!
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01/05/14
Simplify (sin42degrees)cos38degrees-(cos42degrees)sin38degrees
This is for my trig class, thanks for the help!
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01/05/14
Use the sum or difference formulas to determine: A. sin105 degrees and B. tan15 degrees
This is for my trig class, thanks for the help!
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12/31/13
Factor and simplify: sin^4x + (sin^2x)cos^2x
This is for my trig class. Thanks for the help!
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12/31/13
Find the value of the other five trigonometric functions, given tanx= 4/11, secx<0.
This is for my trig class, thanks for the help!
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3
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•2
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