31 Answered Questions for the topic Tan

05/25/20

Quadrant type of problem

In a quadrant there are four sides sooo
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Tan Cos

02/03/20

If tanx=60/11 and π<x<3π/2 what is cos(x−π)?

If  and  what is Enter your answer as a fraction in simplest form, like this: 3/14
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06/27/19

If Tan^2(t)-Sin^2(t)=Sin^a(t)/Cos^b(t), then the positive power a= ALSO the positive power b=
So, I know the first two stepssin^2(t)/cos^2(t) -sin^2(t)sin^2(t)-sin^2(t)cos^2(t)/(cos^2(t)I have no idea what to do after this? I looked and it said to factor but I have no idea why you factor... more
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Tan

11/19/18

Find and expression for tanβ in terms of α given that β is acute and sinβ=α
Sorry but Iam not sure how to work it out
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03/24/18

what number is the same under tangent with rad and deg
Basically, the question is tan(x) = Tan(x). Obviously besides 0, what would be the same under tan and Tan?
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01/26/18

Can't Solve -1-√3 * 1-√3 ------- ------ 1+√3 * 1-√3
I am doing sum and difference formulas with sin, cos, and tan. I am doing tan75 with the difference formula.   So tan 120-45   I have all the things found I just don't know how to multiply it... more
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01/18/18

What is csc2x if tanx = -3/4 and pi/2 < x < pi
The first "<" is a one with a line under it.
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08/07/17

If sin(x) = 1/8 and x is in quadrant I, find the exact values of the expressions without solving for x.
If sin(x) = 1/8 and x is in quadrant I, find the exact values of the expressions without solving for x.   a) sin(2x) b) cos(2x) c) tan(2x)
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03/27/17

Trig problem
Evaluate sin(sin-1(sin60)) [60 degrees]   and    evaluate cos-1(cos(cos-10.5)) if the angle is in quadrant 1. 
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02/27/17

complete the identity: cot(t) + tan(t)=
I'm having trouble solving the above question, as well as the one below    tan20+tan10/1-tan20tan10=
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01/06/17

Find the length of the angle
In a 58° - 32° right triangle, the side adjacent to the 32° angle is 41.74 inches. If tan58° = 1.6003, find the length of the side opposite the 32° angle. Estimate your answer to 3 decimal places.
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09/25/16

Limit at infinity with cot and tan
limx-->positive infinity tan ( x/x^2+1)    limx--> negative infinity cot ( pix/4x+1)    This is so confusing for me, i would lice a detailed step by step. 
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08/30/16

trigonometry question
A ladder leans against a wall with its foot 1.5 metres from the wall making for an angle of 45º36' with the ground. How long is the ladder?
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Tan Theta

07/16/16

find value for sec theta when tan theta=-sqrt root 11 divided by 5, cos theta<0
find value for sec theta when tan theta=-sqrt root 11 divided by 5, cos theta<0
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Tan

02/09/16

Find sec(x) and cos(x), if tan(x)=3 and cos(x)>0
Three words. Terrible. At. Math. Could use some help understanding.
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Tan Sin Cot

02/09/16

Find cot(x) and sin(x), if cos(x)=-(1/5) and tan(x)<0
I really need a lot of help in math, it's my worst subject. My best is English, but that's not important.
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11/18/15

Solving For X In The Interval
Solve for x in the interval...   0<x<2π: 3sin2(2x+1)+2sin(2x+1)-1=0   My teacher says there should be 6 answers.  I have a TI-84 calculator, so maybe there's a way to plug this in to find... more
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11/18/15

Solve For All Values of X
Solve for ALL values of x in the real number system.  If an EXACT solution does not exist, round your answers to the nearest hundredth.   sin2x = sinx
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11/18/15

Find the tension in each cable necessary to keep the block from moving (either sideways or downward)
A 900-lb block is being suspended and held stationary by two steel cables as shown.  The first cable (to the left of the block) makes a 70 degree angle with the horizontal, while the second cable... more
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11/11/15

Evalulate Basic Problems
My professor said for this problem to use inverse trig functions, half angle, and double angle identities.   Evaluate:   tan(2sin-1(4/5))   Please list the answer step by step and next to... more
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11/11/15

Prove Basic Problems (Dealing with Cos & Tan)
Prove:   1-cos2x/1+cos2x=tan2x   Please include step by step and next to each step, please include the identity used! :)
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11/11/15

Prove Basic Problems (Dealing with Sin, Cos, Tan)
Prove:   SQUARE ROOT OF (3cosx+4sinx)2+(4cosx-3sinx)2 = 5   Please include step by step and the identities used next to each step! :)
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11/11/15

Proving Basic Problems (Dealing with Sin, Cos, Tan)
Prove:   sinx/sinx+cosx)=tanx/1+tanx   If you could, please list the steps and include the identities next to the steps.
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11/10/15

Prove: (secx+tanx)^3(secx-tanx)^4=1-sinx/cosx
Prove: (secx+tanx)^3(secx-tanx)^4=1-sinx/cosx   Please show the steps and prove this by making both sides equivalent to each other.  Also, please include which identities follow with each step! :)
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10/28/15

Using the pythagorean identity, find the value of sin? and tan? if cos?= -1/2
Using the pythagorean identity, find the value of sin⊗ and tan⊗ if cos⊗= -1/2
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