Question 1

such aswhatuseTrigonometry Calculator？

Accepted Answer

InputTriangletwoItemSideoroneSideoneAngle，CalculatorwillAutooutitsRemainderSideLength、AngleDegree、PositiveChordRemainderChordPositiveTangentvalueandArea。

Question 2

What is？

Accepted Answer

outAngleTrianglein a²+b²=c²，itsincisSide。BookToolscanInputthreeSideValidateWhether。