Mathematics General Science Test Medium Mode

Sr. #	Questions	Answers Choice
1	The exact value of cos-1 (0) is	π/2 -π/2 3π π-π/6
2	Cos^-1 12/13 =	tan<sup>-1</sup> 3/5 cot<sup>-1</sup> 13/12 Sec<sup>-1</sup> 13/12 sin<sup>-1</sup> 5/13
3	cos^-1(cos x) =	x cos x x = 1/x cos<sup>-2</sup> x
4	Cos-1(x)=	cos x x tan-1(-x) Sec-1 (1/x)
5	Cos-1 (-x) =	-x 1/x tan-1 x π-cos-1 x

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