cos^(-1)(-x),absx le 1, is equal to | 12 | INVERSE TRIGONOMETRIC FUNCTIONS | MATHS | AAKASH INS...

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cos^(-1)[cos(- 17/15 pi )] is equal to | CLASS 12 | INVERSE CIRCULAR FUNCTIONS | MATHS | Doubt...

`cos^(-1)(cos((7pi)/6))` is equal to

If 4sin^(-1)x+cos^(-1)x=pi, then x is equal to | 12 | INVERSE TRIGONOMETRIC FUNCTIONS | MATHS ...