Mathematics · Inverse Trigonometric Functions
Consider the following statements regarding inverse trigonometric functions: I. sin-1(-x) = -sin-1(x) II. cos-1(-x) = cos-1(x) III. tan-1(-x) = π - tan-1(x) IV. cot-1(-x) = π - cot-1(x) How many of the above statements are correct?
- 1All four
- 2Three
- 3Two✓
- 4One
Correct answer
Two
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