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10., , 11., , 12., , 13., , 14., , 15., , 1 (_2¢ \ _ -1 (1-2?, . If 3sin (25) Acos (=, , . The principle value of tan! /3 is, , . Ify=2 tan!x + sin ( T, , . Find the principal value of sin” 1 (4) F, , CBSE Test Paper 01, Chapter 2 Inverse Trigonometric Functions, , . The period of the function f(x) = cos4x + tan3x is, , A ws, , a., b., c. None of these, d., , sla, , , , , , )+2tan— (25) = =. Then, x=;, , ao p, hale, , . The value of tan 15° + cot 15°is, , a 4, , b. Not defined, « v3, , d. 2/3, , . The values of x which satisfy the trigonometric equation, , -1 (2-1 -1(tH)_7,., tan (<4) + tan (S34) = Fare:, , ax, , , , ad +2, , . The minimum value of sinx - cosx is, , a v2, , 1/6, , b. -1, «0, d.1, , , , , , , , , <y<, , , , , , = ) for all x, then, , . The value of cos (sin'x + cos), |x| < 1is, , 1, v2, , Write the principal value of cos~!1 [cos(680)°)., , Prove that tan-!/a = tcos ‘().@, , , , , 14, Find the value of the expression tan~! (tan #) ., Solve the equation: 2tan'(cosx) = tan"'(2cosec x)., Find the value of sin”! (sin =) 2), , Prove that tan~!(1) + tan~+(2) + tan-1(3) = 7.