mathematics

Write the following trigonometric expression in terms of sine and cosine, and then simplify. sin^2 x (1 + cot^2 x)

  1. 👍
  2. 👎
  3. 👁
  1. well, cotx = cosx/sinx, so you have
    sin^2x + sin^2x cot^2x = sin^2x + cos^2x
    Look familiar?

    1. 👍
    2. 👎
    👤
    oobleck

Respond to this Question

First Name

Your Response

Similar Questions

  1. Trig

    In ABC, vertex C is a right angle. Which trigonometric ratio has the same trigonometric value as Sin A? A Sin B B Cosine A C Cosine B D Tan A

  2. Physics

    A horse runs 15 m [N 23° E] and then 32 m [S 35° E]. What is the total displacement of the horse? I can't even visualise this... My friend told me the basic steps on how to solve it, but I got the wrong answer anyways... d1 = 15

  3. trig

    Simplify and write the trigonometric expression in terms of sine and cosine: cot(-x)cos(-x)+sin(-x)=-1/f(x)=f(x)=____________ I've tried everything, I think that the "-1/f(x)" part is screwing up my answer but I'm not sure what

  4. self-study calculus

    Sketch the curve with the given vector equation. Indicate with an arrow the direction in which t increases. r(t)=cos(t)I -cos(t)j+sin(t)k I don't know what to do. I let x=cos(t), y=-cos(t) and z= sin(t). Should I let t be any

  1. math

    Simplify and write the trigonometric expression in terms of sine and cosine: tan^2 x-sec^2 x=

  2. Trigonometry

    Add and subtract as indicated. Then simplify your answer if possible. Leave answer in terms of sin(θ) and/or cos(θ). (Remember to enter trigonometric powers such as sin2(x) as (sin(x))2.) 1/sin-sin=

  3. Trig

    Which trigonometric function can equal or be greater than 1.000? A Sine B Cosine C Tangent D none of the above

  4. Pre-Cal: Word Problem

    I'm having a lot of trouble on this word problem. Can someone help me plz? To define the inverse sine function, we restrict the domain of sine to the interval ______. On this interval the sine function is one-to-one, and its

  1. trig identities

    cos94 degrees cos18 degrees+ sin94 degrees sin18 degrees. write the expression as the sine, cosine, or tangent of an angle.

  2. math(please help urgent)

    1) Find the values (if possible) of the six trigonometric functions of o if the terminal side of o lies on the given line in the specified quadrant. y=1/3x 2)Evaluate (if possible)the sine, cosine, and tangent of the angles

  3. math

    Write the given expression as the cosine of an angle. cos 60° cos 65° − sin 60° sin 65°

  4. math trigonometry

    Simplify the following expression to a single trigonometric term sin(360-x)*tan(-x)/cos(180 x)*(sin^2A cos^2A) answer= -sinx*-tanx/cosx*(1) after that how do i continue?

You can view more similar questions or ask a new question.