text: # math
  
  Simplify and write the trigonometric expression in terms of sine and cosine:
  tan^2 x-sec^2 x=
  
  1. 👍
  2. 👎
  3. 👁
  1. [(sin^2 x) / (cos^2 x)] - [1 / (cos^2 x)]
  
  [(sin^2 x) - 1] / (cos^2 x)
  
  -(cos^2 x) / (cos^2 x) = -1
  
  1. 👍
  2. 👎
  2. since one of your basic trig identities is
  
  sec^2 x = 1 + tan^2 x
  
  this should not be too hard...
  
  1. 👍
  2. 👎
  👤
  oobleck
  
  ## Similar Questions
  
  1. ### Trig.
  
  I really need help so please help. write the first trigonometric function in terms of the second trigonometric function. sec x; tan x
  
  2. ### math
  
  Write the following in terms of sin(θ) and cos(θ); then simplify if possible. sec(θ) / tan(θ) =
  
  3. ### 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
  
  4. ### math
  
  Sketch a right triangle corresponding to the trigonometric function of the acute angle θ. Use the Pythagorean Theorem to determine the third side and then find the other five trigonometric functions of θ. cot(θ) = 3 sin(θ)=
  
  1. ### 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
  
  2. ### mathematics
  
  Write the following trigonometric expression in terms of sine and cosine, and then simplify. sin^2 x (1 + cot^2 x)
  
  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. ### Trigonometry
  
  How do you verify the equation is an identity? Tan^2x-tan^2y=sec^2x-sec^2y and, how do you factor and simplify, cscx(sin^2x+cos^2xtanx)/sinx+cosx
  
  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
  
  2. ### Math
  
  Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. sec Q = 5 tan =
  
  3. ### Pre-Cal
  
  Write the trigonometric expression in terms of sine and cosine, and then simplify. tan u sin u + cos u _____________.
  
  4. ### Pre-Calc
  
  1) Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. cos 12° cos 18° − sin 12° sin 18° And Find its exact value. 2) Use an Addition or Subtraction Formula to write the
metadata: {"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0, "katex": 0, "math-container": 0, "wp-katex-eq": 0, "align": 0, "equation": 0, "x-ck12": 0, "texerror": 0}