三角関数タイムアタック

From those who want to practice trigonometric functions to teachers who want to introduce them in class and have their students compete.
Train with the angles you use most often.
Trigonometric functions are displayed. Press the corresponding button.
You will be presented with random questions covering the most frequently used angles.
You can choose from two types: 0° to 180° and 0° to 360°.
You can choose between the degree method and the arc degree method.

The achievement status is recorded.
It will be recorded according to the number of mistakes and the time taken.
The last trophy does not allow even a single mistake. It is very difficult!