maths (trigonometry)
 👍 0
 👎 1
 👁 731

 👍 2
 👎 2

 👍 1
 👎 1

 👍 0
 👎 0
Respond to this Question
Similar Questions

math
ifcosX+cosY=a and sinX+sinY=b than prove thatsin2X+sin2Y=2ab(12/(a^2+b^2)
asked by Binoy kumar mahato on October 4, 2017 
plz plz help me belive me have tried
cosx+cosy=a and sinx+siny=b show that sin2x+sin2y=2ab(1(2/(a^2+b^2)) plz plz show step
asked by maths on November 2, 2016 
math(advanced algebra&trigonometry)
the expression cos4x cos3x + sin4x sin3x is equivalent to which one of the following is the answer: 1) sinx 2) sin7x 3) cosx 4) cos7x
asked by Rony on March 27, 2010 
Calculus  Integration
I ran across this one the other day. See what you can make of it. Find the integral of ecosxsinx  (sinx+cosx)esinx+cosx  esin2x2esinx+1
asked by oobleck on May 22, 2019

Math
Suppose f(x) = sin(pi*cosx) On any interval where the inverse function y = f –1(x) exists, the derivative of f –1(x) with respect to x is: a)1/(cos(pi*cosx)), where x and y are related by the equation (satisfy the equation)
asked by Thomas on April 9, 2015 
Trig.......
I need to prove that the following is true. Thanks (2tanx /1tan^x)+(1/2cos^2x1)= (cosx+sinx)/(cosx  sinx) and thanks ........... check your typing. I tried 30º, the two sides are not equal, they differ by 1 oh , thank you Mr
asked by abdo on April 18, 2007 
math
Angles x and y are located in the first quadrant such that sinx=3/5 and cosy=5/13. a) Determine an exact value for cosx b) Determine an exact value for siny
asked by Anonymous on November 1, 2009 
Maths
Solve this equation fo rx in the interval 0
asked by Edward on April 11, 2007

Trigonometry Help
Simplify: sin(xy)cosy+cos(xy)siny = (sinxcosycosxsiny)cosy+(cosxcosy+sinxsiny)siny = ??? What do I do next??? Please Help and Thank You
asked by Anonymous on February 21, 2012 
trigonometry
how do i simplify (secx  cosx) / sinx? i tried splitting the numerator up so that i had (secx / sinx)  (cosx / sinx) and then i changed sec x to 1/ cosx so that i had ((1/cosx)/ sinx)  (cos x / sinx) after that i get stuck
asked by v on December 4, 2012 
trigonometry
prove: sinx/sec2x+cosx/csc2x=sin3x
asked by liger on October 31, 2014 
Math
How do I solve this? tan^2x= 2tanxsinx My work so far: tan^2x  2tanxsinx=0 tanx(tanx  2sinx)=0 Then the solutions are: TanX=0 and sinX/cosX = 2 sin X Divide through by sinX: we have to check this later to see if allowed (ie sinX
asked by Chris on January 7, 2007
You can view more similar questions or ask a new question.