31 Answered Questions for the topic Tan

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

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...
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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

#### 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?

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...
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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.

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)

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.

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=

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.

#### 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.

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?

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

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.

#### 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.

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...
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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

#### 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...
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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...
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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! :)

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! :)

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.

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! :)

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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