What are the most common mistakes students make in Relations, Functions & Inverse Trigonometry?
only bijective (one-one and onto) functions are invertible; many-one functions must have their domain restricted first.
Top mistakes to avoid in Relations, Functions & Inverse Trigonometry: • only bijective (one-one and onto) functions are invertible; many-one functions must have their domain restricted first. • trying to invert a function that maps two inputs to the same output. • giving all possible angles instead of the principal value.
Common mistake
only bijective (one-one and onto) functions are invertible; many-one functions must have their domain restricted first.
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