ECAT Pre General Science Chapter 15 online mcq test with answers for Mathematics chapter 15 (Inverse Trigonometric Functions)

ECAT Pre General Science Mathematics Chapter 15 Inverse Trigonometric Functions Online Test

Sr. #	Questions	Answers Choice
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2	If 2 tan¹(cos x) = tan^-1(cosec²x), then x is equal to	<span style="color: rgb(34, 34, 34); font-family: "Times New Roman"; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);"><i>π</i></span>/ 3 <span style="font-family: "Times New Roman"; font-size: 24px; color: rgb(34, 34, 34); text-align: center; background-color: rgb(255, 255, 248);"><i>π</i></span>/ 2 <span style="font-family: "Times New Roman"; font-size: 24px; color: rgb(34, 34, 34); text-align: center; background-color: rgb(255, 255, 248);"><i>π</i></span>/ 6 <span style="font-family: "Times New Roman"; font-size: 24px; color: rgb(34, 34, 34); text-align: center; background-color: rgb(255, 255, 248);"><i>π</i></span>
3		1 -1 0 None of these
4	The value of sin [ arc cos (-1/2)] is
5	tan^-1(1/4) + tan^-1(2/9) is equal to	1/2 cos<sup>-1</sup>(3/5) 1/2 sin<sup>-1</sup>(3/5) 1/2 tan<sup>-1</sup>(3/5) tan<sup>-1</sup>1/2
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28		0 -1 1/2 1
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