# trig

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Sinxcosy(cotxtany-1)

## Similar Questions

1. ### math

could someone please refresh my memory of the basic trig functions?
2. ### Trig (inverse functions)

Problem: tan[arccsc(-5/3) + arctan(1/4)] My work: let arccsc(-5/3)=X and let arctan(1/4)=Y where -pi/2<=X<=pi/2, X cannot be 0 and where -pi/2<Y<pi/2 so that cscX=-5/3 and tanY=1/4 The problem can now be written as tan(X+Y) …
3. ### precalculus

1.csc^2x-1/csc^2x=cos^2x 2.1/1-cosx+1/1+cosx=2csc^2x 3.sinxcosy+cosxsiny/cosxcosy-sinxsiny=tanx+tany/1-tanxtany
4. ### trig

How do you solve cos(2arcsin 1/4) using inverse trig. functions?
5. ### Trig

Find (if possible) the trig function of the quadrant angle. sec 3pi/2
6. ### precalc

Suppose that z1=6-8i. Find: A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2, where z2=5[cos(60degrees)+isin(60degrees)] C. The Trig Form of (z1)^4
7. ### Trigonometry Help

Simplify: sin(x-y)cosy+cos(x-y)siny = (sinxcosy-cosxsiny)cosy+(cosxcosy+sinxsiny)siny = ?
8. ### trig

Sinxcosy(cotxtany-1)
9. ### calculus

1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π?
10. ### calculus help

y=cosxcosy-sinxsiny/sinxcosy+cosxsiny find dy/dx plz show me working

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