Mathematics General Science Test Medium Mode

Sr. #	Questions	Answers Choice
1	cos 3a =_______;	3sin a - 4sin3 a 4sin a - 3sin3 a 3cos3 a - 4cos a 4cos3a - 3cos a
2	sin 3a = ______;	3sin a - 4sin3a 4sin a -3 sin3 a 3 cos3 a -cosa 4cos3 a - 3cos a
3	2cos2 a/2 =______;	1+sina 1-sina 1+cosa 1-cosa
4	cos2a=______;	cos2 a-sin2 a 2cos2 a-1 1-2 sin2 a All of these
5	sin(a-90°)=______;	sina cosa -sinθ -cosa

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