Practise solving trigonometric equations in degrees or radians using CAST and its period to find other solutions within the range, including multiple or compound angles and the wave function. Learn ...

👉 Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles using the identity. Then we will simplify and solve trigonometric functions ...

Holy trinity of software. beware! Move over spreadsheet data base handler and word processor. Make room for the equation solver, the simulation/prediction program for those who live by the numbers.