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sin cos tan 7 8 9 ÷ Back sin^-1 cos^-1 tan^-1 π e 4 5 6 × Ans x^y x³ x² e^x 10^x 1 2 3 − M+ √x ³√x 1/x ln log 0 . EXP + M- ( ) % n! |x| ± RND AC = MR