For CBSE class 12 boards physics,which value of non standard trigonometric value to remember?(like inverse angle or value of angle like tan inverse 1.5 or something. This is a non standard value to remember). Can you give the important angles needed to remember?

Dear student, Trigonometric tables for inverse and other values are always provided, so you don't need to learn any. But obviously you should know the values of basic angles 0,30,45,60,90 Regards

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