Page 1 CBSE TEST PAPER-06 CLASS - XII MATHEMATICS (Relations & Functions) Topic:-Inverse Trigonometric Functions 1. Find the principal value of sin -1 1 2 ? ? ? ? ? ? [1] 2. Find the value of sin -1 3 sin 5 p ? ? ? ? ? ? [1] 3. Find the value of 1 1 tan 3 co ( 3) t - - - - [1] 4. Find the value of sin ( ) 1 1 sin cos a a - - + [1] 5. tan -1 1 tan x x y y x y - ? ? ? ? - - ? ? ? ? + ? ? ? ? [1] 6. Find the value of 1 1 1 1 1 tan (1) cos sin 2 2 - - - ? ? ? ? + - + - ? ? ? ? ? ? ? ? [4] 7. Show that 1 1 1 3 8 84 sin sin cos 5 17 85 - - - - = [4] 8. Prove that 1 1 1 1 1 1 1 1 tan tan tan tan 5 7 3 8 4 p - - - - + + + = [4] 9. Prove that 3 1 1 1 2 2 2 3 tan tan tan 1 1 3 x x x x x x - - - ? ? - + = ? ? - - ? ? [4] 10. Simplify 1 1 sin cos 3 4 sin cos cos sin 5 5 2 x x or x x - - + ? ? ? ? + ? ? ? ? ? ? ? ? [4]Read More

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