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ConceptBasic Concepts of Trigonometric Functions

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#### Question

If `sin^-1(1-x) -2sin^-1x = pi/2` then x is

- -1/2
- 1
- 0
- 1/2

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Solution for concept: Basic Concepts of Trigonometric Functions. For the courses HSC Arts, HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)