## App Purchase

Enter the last 8 digits of your 27-digit TI-Nspire's Product ID.

Located under 5:Settings → 4:Status → About ID may look like: 1008000007206E210B0BD92F455 HELP. If this was your ID you would only type in BD92F455.

At the end of the PayPal checkout, you will be sent an email containing your app. Read Installation Instructions

Price:\$49.95

## Description

• The most comprehensive Trig APP for TI calculators.
• Ideal for quick review in all classes involvingTrigonometry.
• STEP BY STEP - Solve any 90oand non 90o Triangle.Just enter 2 sides and an angle, 3 sides or 1 side and 2 angles to view each step until the complete triangle is solved.
• This app is intelligent enough to automatically apply the Law of Sine or the Law of Cosine and other basic Triangle Rules to solve any triangle STEP by STEP.
• It even notifies if triangle cannot be solved or solutions are ambiguous.
• Read the Trig-Theorems and Identities.
• Evaluate Trig Functions and set up Trig-Models.
• Master the Unit-Circle and its Coordinates.
• Compute Sectors and Arcs.
• Convert Degree to Radian and vice versa.
• STEP BY STEP - Given Sin Cos or Tan find the remaining ratios in a 90 degree triangle.
• Right Triangle Checker: Check For Right Angle given 3 points
• Trig Identity Checker
• Convert Degrees(decimals) to Degrees, Minutes, Seconds
• Convert Cartesian Coordinates to Polar Coordinates and vice versa.

## FUNCTIONALITY & MENU ITEMS OF APP :

### TRIGONOMETRY

• Solve any Equation
• Find values for sin(x), cos(x),..given x
• Angle Finder

### IDENTITIES

• Trig Identity Checker
• Read: Sum to Product Identities
• Read: Product to Sum Identities
• Read: Sum & Difference Identities
• Read: Double & Half Angle Identities

### 90 DEGREE TRIANGLES

• Solve any 90 degree Triangle

### NON-90 DEGREE TRIANGLES

• Solve any Triangle
• SSS-Case
• SAS-Case
• SSA-Case
• SAA-Case
• Solve Triangle given 3 Vertices

### CIRCLES

• Read: Unit Circle: Angles & Coordinates
• Read: Circle Properties & Formulas
• Find Sector
• Sector Solver
• Arc Length Solver
• Linear Speed <-> Angular Speed

### FUNCTIONS

• Read: Symmetry of Trig Functions
• Read: Period of Trig Functions
• Read: Derivatives & Integrals of Trig Functions

### CONVERT

• Polar <-> Cartesian (x,y)
• Degree to Degree/Minutes/Seconds