Analytic Trigonometry | IntMath forum

• 3-D Earth Geometry [Solved!]
  Consider 2 points on the Earth's surface:- Pt 1 defined by Latitude (in degrees), Pt 2 defined... Sooty 01 Nov 2018, 11:47
• Factoring trig equations [Solved!]
  In solving "`4\ sin^3x + 2\ sin^2 x - 2 sin x - 1 =... phinah 15 Jul 2018, 04:44
• inverse functions [Solved!]
  I have the problem sec(arccos 5) and I understand that sec is the reciprocal of... ShayT 02 Feb 2017, 07:30
• Show (1-sinx)/(1+sinx)= (tanx-secx)^2 [Solved!]
  How to show `(1-sinx)/(1+sinx)= (tanx-secx)^2`? Alexandra 03 Jan 2016, 05:45
• Prove the trig identity cosx/(secx+tanx)= 1-sinx [Solved!]
  Prove the trig identity cosx/(secx+tanx)= 1-sinx Alexandra 29 Dec 2015, 06:45
• Trig identity (sinx+cosx)^2tanx = tanx+2sin^2x [Solved!]
  Show (sinx+cosx)^2tanx=tanx+2sin^2x Alexandra 25 Dec 2015, 09:03
• Trigonometric word problem [Solved!]
  Imagine a circle with green grass inside,assume there is no grass outside the circle. The... Rapelang 25 Dec 2015, 04:43
• Does sin x + cos x = 1? [Solved!]
  does it mean that sin^2 x+cos^2 x=1 is the same as sin x+cos x=1? Rapelang 10 Dec 2015, 03:32
• Great website! [Solved!]
  This website is very useful. Thank you very much. Emanuel 28 Nov 2015, 05:49
• Graphing a Fish Population Word Problem [Solved!]
  a small lake on the island contains twoo species of fish: hake and redfish. the... Stephanie 26 Nov 2015, 09:30
• Prove trig identity 2cos^2x-1=cos^4x-sin^4x [Solved!]
  Comments: Please could you help with this problem? 2cos^2x-1=cos^4x-sin^4x Alexandra 25 Nov 2015, 09:54
• Hyperbolic functions [Solved!]
  Hi, I have this problem to solve: 1 + (e2A-e-2A/2) + (e2A+e-2A/2) ---------------------------------- 1 - (e2A-e-2A/2) - (e2A+e-2A/2) The (2A)... Matt 25 Nov 2015, 09:42
• Trigonometry equation [Solved!]
  can you help with following equation simplify 1+sinh2A+cosh2A / 1-sinh2A-cosh2A Lee 25 Nov 2015, 09:38

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