precalc
 👍 0
 👎 0
 👁 116

 👍 0
 👎 0
posted by Doug
Respond to this Question
Similar Questions

trigonometry (please double check this)
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will satisfy each. give any approximate value to the nearest minute only. 1. sin2ƒÆ = (sqrt 3)/2 2. sin^2ƒÆ =
asked by anon on March 3, 2011 
Math  Solving Trig Equations
Solve each equation for o is less than and/or equal to theta is less than and/or equal to 360  sin^2x = 1 = cos^2x  Work: cos^2x  cos^2x = 0 0 = 0  Textbook Answers: 90 and 270  Btw, how would you isolate for cos^2x = 0?
asked by Anonymous on November 24, 2007 
Math  Solving Trig Equations
What am I doing wrong? Equation: sin2x = 2cos2x Answers: 90 and 270 .... My Work: 2sin(x)cos(x) = 2cos(2x) sin(x) cos(x) = cos(2x) sin(x) cos(x) = 2cos^2(x)  1 cos(x) (+/)\sqrt{1  cos^2(x)} = 2cos^2(x)  1 cos^2(x)(1 
asked by Anonymous on November 24, 2007 
Maths
1) Simplification (trigonometric ratios of allied angles)? Simplify : i) [cos^2 (2x180A). tan^2 (180+A). sec^2 (180A)] / [ sin^2 (3x180+ A). cosec^2 (A). cot^2 (90+A)] ii)[ cos(90+A). sec(270+A). sin(180A) ] / [ cosec (A).
asked by Roy on May 2, 2013 
Algebra II
Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)Which expression is equivalent to tan(theta)(sec(theta))/(sin(theta))? A.)cot(theta) B.)cot(theta) C.)tan(theta)cot(theta) D.)tan(theta)sec^2(theta) 2.)Find
asked by HotMath on June 9, 2011 
trigonometry
What is the single trigonometric function of (Cos 20 degrees) (Cos 30 degrees)(Sine 20 degress) (Sin 30 degrees)
asked by mac on February 23, 2017 
Trigonometry
1.Find the missing values given that Ø in degrees=270. 2.Find the missing values given that Ø in degrees=270. I can find the radians but not sin,cos,sec,tan,csc,cot i really need help
asked by Ryan on February 11, 2016 
Math(Correction)
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 Q =
asked by Mark on March 23, 2010 
Math(Correction)
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 =
asked by Mark on March 23, 2010 
math
how to define arc cosine(cosine x) for 360 deg
asked by mahima on June 1, 2007