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# ▷Trigonometry Made Easy - Step by Step with the TI-Nspire CX (CAS)◁

## Solve Trigonometry problems stepwise using the Ti-Nspire Calculator

Runs on TI-Nspire CX CAS only.
It does not run on computers!
 TI-Nspire CX CAS

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 key and download instructions.

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)