Find $|A|$. $$|A| = 2(3) - (-1)(1) = 6 + 1 = 7 \neq 0.$$ Since $|A| \neq 0$, the inverse exists.
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A function that is both injective and surjective. Bijective functions are strictly invertible. Chapter 2: Inverse Trigonometric Functions I need to find information about this specific
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Pay close attention to the 5-mark and 10-mark question indicators throughout the notes. Allocate more revision time to these high-yield topics during exam weeks.
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