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 October 12th, 2010, 08:14 PM #1 Member   Joined: Sep 2010 Posts: 55 Thanks: 0 tangent help tan u=6 tan v=3 with u and v both in the interval (0,pi/2) what is csc v?
 October 12th, 2010, 08:27 PM #2 Senior Member     Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs Re: tangent help Use the Pythagorean identity 1 + cot²(?) = csc²(?) and tan(?) = 1/cot(?). Since v is in the first quadrant, use the positive root. I don't see where we even need the information about u.
 October 12th, 2010, 08:35 PM #3 Member   Joined: Sep 2010 Posts: 55 Thanks: 0 Re: tangent help what is cot (theta)^2?
 October 12th, 2010, 08:37 PM #4 Senior Member     Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs Re: tangent help If tan(v) = 3, then cot(v) = 1/3, so cot²(v) = 1/9.
 October 12th, 2010, 08:41 PM #5 Member   Joined: Sep 2010 Posts: 55 Thanks: 0 Re: tangent help ok awesome! thank you!

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