Home › CBSE Class 12 (Commerce) › Mathematics › Inverse Trigonometric Functions › Cosine is made bijective on which interval to de…
Cosine is made bijective on which interval to define cos⁻¹?
A[-π/2, π/2]
B(0, π)
C[0, π]
D[-π, 0]
Answer & Solution
Correct answer: C. [0, π]
Cosine is bijective from [0, π] onto [-1, 1], so [0, π] is the principal range of cos⁻¹.
Related questions
Principal cot⁻¹ evaluated at 0 equalsCotangent restricted to which interval is bijective onto R?Inverse trigonometric functions are important in calculus because theyFor an invertible f, what does (f⁻¹ o f)(x) equal?The inverse of f exists only if f isThales is credited with finding the height of a pyramid using what?Which country is credited with starting the study of trigonometry?Who suggested the symbols sin⁻¹x and cos⁻¹x for arc sin x and arc cos x?