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60
Minutes
40
Questions
1 / -0
Marking Scheme
Q1. cosec−1(−23)\text{cosec}^{-1} (-\frac{2}{\sqrt{3}})cosec−1(−32)
Q2. sec−1(2)\text{sec}^{-1} (2)sec−1(2)
Q3. Which of the following is the principal value branch of cosec−1x\text{cosec}^{-1} xcosec−1x?
Q4. The value of sin[cos−1(725)]\sin [\text{cos}^{-1} (\frac{7}{25})]sin[cos−1(257)] is
Q5. If x+(1/x)=2x + (1/x) = 2x+(1/x)=2 then the principal value of sin−1x\text{sin}^{-1} xsin−1x is
Q6. The value of cos−1[cos(33π5)]\text{cos}^{-1} [\text{cos}(\frac{33\pi}{5})]cos−1[cos(533π)] is
Q7. sin−1(−1/2)\text{sin}^{-1} (-1/2)sin−1(−1/2)
Q8. cot−1(1)\text{cot}^{-1} (1)cot−1(1)
Q9. cos−1(−1/2)+2sin−1(−1/2)\text{cos}^{-1} (-1/2) + 2\text{sin}^{-1} (-1/2)cos−1(−1/2)+2sin−1(−1/2)
Q10. cos−1(3/2)\text{cos}^{-1} (\sqrt{3}/2)cos−1(3/2)
...and 30 more questions.
