PreCalculus
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Calculus
I wanted to confirm that I solved these problems correctly (we had to convert the polar curves to Cartesian equations). 1.rcos(theta)=1 x=1 2.r=2*sin(theta)+2*cos(theta) r^2=2rsin(theta)+2rcos(theta) x^2+y^2=2y+2x (a little unsure
asked by Joshua on March 13, 2009 
Algebra II
Which of the following expressions are not equal to 1? A) sin^2 theta + cot^2 theta sin^2 theta B) (sin^2 theta/1cos theta)cos theta C) sec^2 theta + tan^2 theta D) cot^2 theta sin^2 theta/cos^2theta Answer: D
asked by Lucy on April 19, 2008 
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change equations to polar form: 1) y= 1 2) x^2 + y^2 = 4 how would i do these questions? thank u to convert to polar, you use the relationship: x = rcos(theta), and y = rsin(theta) 1) rsin(theta) = 1, r = 1/sin(theta) 2)try
asked by hmmmm on September 25, 2006 
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Multiple Choice Which expression is NOT equivalent to 1? (theta) means 0 with dash in it. A.)sin^2 (theta)+cot^2 (theta) sin^2 (theta) B.)(sin^(theta))/(1cos(theta))cos(theta) C,)sec^2 (theta)+ tan^2 (theta) D.)(cot^2(theta)
asked by HotMath on June 9, 2011 
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1.) Which of the following polar equations is equivalent to the parametric equations below? x=t^2 y=2t A.) r=4cot(theta)csc(theta) B.) r=4tan(theta)sec(theta) C.) r=tan(theta)sec(theta)/4 D.) r=16cot(theta)csc(theta) 2.) Which
asked by line on May 18, 2018 
Advanced Math
Identify the polar form of the linear equation 4x+3y=10. x=rcos(theta),y=rsin(theta) 4x+3y=4rcos(theta)+3rsin(theta)=10 r=10/(4cos(theta)+3sin(theta) I got it wrong
asked by Jon on August 6, 2009 
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Find tan(3 theta) in terms of tan theta Use the formula tan (a + b) = (tan a + tan b)/[1  tan a tan b) in two steps. First, let a = b = theta and get a formula for tan (2 theta). tan (2 theta) = 2 tan theta/[(1  tan theta)^2]
asked by Jake on February 13, 2007 
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Hi there! I NEED SERIOUS HELP, PLEASE!!! i have such a hard time with verifying identities! The question is: [(sin(theta/2)) / csc(theta/2)] + [(cos (theta/2) / sec(theta/2)] = 1 I have a few ideas on how to solve this, but am
asked by stephani on June 11, 2014 
trigonometry
can you correct the rest for me please? Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi + theta)= cos theta c. tan (810 + theta)= ????? d. sin (theta  180)= sin theta
asked by Anonymous on February 8, 2011 
trigonometry
can you correct the rest for me please? Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi + theta)= cos theta c. tan (810 + theta)= ????? d. sin (theta  180)= sin theta
asked by anon on February 11, 2011