38 Answered Questions for the topic Sin

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! :)
Follows • 2
Expert Answers •1

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.
Follows • 2
Expert Answers •1

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! :)
Follows • 2
Expert Answers •1

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
Follows • 3
Expert Answers •2

10/28/15

Explain why sin?^2 + cos?^2=1
Explain why sin⊗2 + cos⊗2=1
Follows • 3
Expert Answers •2
Sin

05/25/15

explain why sin 30 degrees is 0.5000
Give an explanation.
Follows • 3
Expert Answers •3

05/08/15

sin^2x=5 has how many solutions on the interval 0 less than or equal to x less than or equal to 2pi?
A.0 B.2 C.1 D.Infinity   I need a step by step on how to do this.
Follows • 2
Expert Answers •1

01/04/15

solve the equation on the interval 0 = ? 2p
2sin2θ=sinθ
Follows • 2
Expert Answers •1
Sin

05/16/14

Sin^2 x question
  How do I prove that sin^2  x(1 + cot^2  x) = 1     thanks
Follows • 1
Expert Answers •1

03/11/14

Simplifying an Expression involving sin^-1 x
If 0<x<1, write cos(sin-1 x) as an algebraic expression in x.
Follows • 3
Expert Answers •2

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!
Follows • 3
Expert Answers •2

01/03/14

Rewrite sin(x+pi)+sin(x-pi) as a product.
This is for my trig class. Thanks for the help!
Follows • 3
Expert Answers •2

01/03/14

Find all solutions in the interval [0,2pi): 4sin^2x=1
This is for my trig class. Thanks for the help!
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.