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Confused about a Fundamental Trig Identity  TOPIC_SOLVED

Hello everyone, My trig book lists the reciprocal identity of cot x as cot x = cos x/sin x. But the professor gave us a formula sheet with it listed as cot x = 1/tan x. All the rest of the formulas in both the book and handout are the same, and they're both titled "Fundamental Reciprocal Identi...
by agenta1013
on Thu Oct 17, 2013 2:30 pm
 
Forum: Trigonometry
Topic: Confused about a Fundamental Trig Identity
Replies: 2
Views: 1211

Re: Confused about a Fundamental Trig Identity  TOPIC_SOLVED

Thank you! That makes total sense--I don't know why I didn't think of that when it's so obvious :mrgreen:
by agenta1013
on Thu Oct 17, 2013 6:35 pm
 
Forum: Trigonometry
Topic: Confused about a Fundamental Trig Identity
Replies: 2
Views: 1211

Need Help Ellipse and Hyperbola Equations  TOPIC_SOLVED

I have two conic equations that I've been unable to put in standard form without getting at least one fraction, which messes up the rest of the steps. The first: 2x^2-6x+3y^2+12y-6=0 I know this is an ellipse because the x^2 and y^2 terms have the same sign. I need to put it in the standard form ...
by agenta1013
on Sun Nov 10, 2013 10:23 pm
 
Forum: Trigonometry
Topic: Need Help Ellipse and Hyperbola Equations
Replies: 4
Views: 1450

Re: Need Help Ellipse and Hyperbola Equations  TOPIC_SOLVED

Thank you! :thumb:

This is confusing with fractions because there is no example in my textbook and the professor did not go over any examples of these with fractions either, only with simple whole numbers.
by agenta1013
on Tue Nov 12, 2013 2:35 pm
 
Forum: Trigonometry
Topic: Need Help Ellipse and Hyperbola Equations
Replies: 4
Views: 1450

Stuck on Finding an Equation for an Ellipse  TOPIC_SOLVED

I follow the exact steps on this problem as demonstrated in my text, and my homework submission website spits this back as wrong every time. Could someone please help me find what I'm missing here? Find an equation for the ellipse that satisfies the given conditions: Length of the major axis: 26 The...
by agenta1013
on Tue Nov 12, 2013 3:30 pm
 
Forum: Trigonometry
Topic: Stuck on Finding an Equation for an Ellipse
Replies: 2
Views: 888

Re: Stuck on Finding an Equation for an Ellipse  TOPIC_SOLVED

I follow the exact steps on this problem as demonstrated in my text, and my homework submission website spits this back as wrong every time. the HW had a problem just the same as in the lesson? i think somebody messed up somewhere! maybe theres a typo??? Guess I could've explained that better--the ...
by agenta1013
on Tue Nov 12, 2013 11:20 pm
 
Forum: Trigonometry
Topic: Stuck on Finding an Equation for an Ellipse
Replies: 2
Views: 888

Need some clarification on terminal points  TOPIC_SOLVED

I've gotten a few problems like these on homework and quizzes, and yet again no class or textbook demonstrations. Could someone help point me in the right direction for solving these? 1. Terminal point t is at point (3/5,4/5) Compute the following: pi-t = (-3/5, 4/5) -t = (3/5, -...
by agenta1013
on Sat Nov 30, 2013 7:26 pm
 
Forum: Trigonometry
Topic: Need some clarification on terminal points
Replies: 1
Views: 763

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