Trigonometry TI89 App with Step by Step Solutions

Solve Trigonometry problems stepwise using the TI89 Calculator


Scroll down to select APP and observe the provided
Step by Step solutions to the right. It is worldwide
the only Math software that can do this!!!   

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Option F1: Trig F2: 90o Trig F3: non-90o  Trig F4: Auto F5: Trig Functions F6: Circle F7: Convert F8
Exit
1 Intro to Trig.  Read Right Angle Trig Intro Read Non- Right Angle Trig Intro Auto Triangle Solver showing  steps Evaluate any Trig Function UnitCircle with coordinates in all 4 quadrants, Angles in Degrees and Radian. Convert from Polar to Cartesian Coordinates Play Yahtzee 
2 Trig Formulas (more than 40)  Compute all sides and angles given side and hypotenuse Compute all sides and angles given side, angle and side (SAS) SohCahToa:
Given sin,cos or tan, find  sin(2x),cos(2x) , tan(2x) and sin(x/2),cos(x/2) , tan(x/2)  for both angles. 
Analyze Trig Function:
Ex 2*sin(3x) has Amplitude=2 and period=360/3=120.
UnitCircle animated Convert from  Cartesian to Polar  Coordinates Info about other APPS such as Calculus and Matrices Made Easy
3 Trig Identity Checker Compute all sides and angles given 2 sides  Compute all sides and angles given side, side and side (SSS)   Evaluate any Inverse Trig Function Quadrant Finder Convert from  Revolutions to Degree About the Author
4 Solve any equation Compute all sides and angles given angle and opposite side Compute all sides and angles given side, side and angle (SSA)   Graph any Trig Function Quadrant Solver: Given i.e. sin(x)=1/2 in Q1 yields angle x and corresponding  values for
cos(x), tan(x), etc
Convert from  Radian to Degree Exit
5 Right Triangle Checker given 3 points that form triangle. Compute all sides and angles given angle and adjacent side Compute all sides and angles given side, side and angle (SAA)   Graph any Inverse Trig Function Find Coordinates, Sector Area and Arc Length for given Radius and Angle.   Convert from   Degree to Radian  
6 Angle Finder
(Finds Supplementary, Complementary, Coterminal, Reference Angles)
Compute all sides and angles given angle and hypotenuse     Model using Sine Wave Sector Solver:
Area=(θ/360)*π*r2 
In Degree or Radian
Convert from   Degree, Minutes, Seconds to Degree (decimals)  
7 Hyperbolics : Definition, Identities, Derivatives, Integrals SohCahToa
Given 2 sides, find ratios: sin,cos,tan, csc,sec,cot for both angles. 
    Create SineWave : Animation to show construction of sine-wave. ArcLength Solver
Area=(θ/360)*2*π*r
In Degree or Radian
Convert from   Degrees (decimals) to Degree, Minutes, Seconds  
8   SohCahToa:
Given sin,cos or tan, find  sin(2x),cos(2x) , tan(2x) and sin(x/2),cos(x/2) , tan(x/2)  for both angles. 
    Throw Ball at Angle Rotation Solver
Distance=#Rotations*2PI *Radius
   
9           Speed Solver:
Linear and Angular Speed
In Degree or Radian
   
A           Speed Converter: Linear and Angular Speed