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6. cosec*2(x)=

  • 1+cot*2(x)
  • 1/sin*2(x)
  • 1+tan*2(x)
  • sec*2(x)

7. Sec(x)

  • tan(x)
  • 1/cos(x)
  • 1/cosec(x)
  • 1/sin(x)

8. 90 Degrees in Radians is....

  • Pi/4
  • Pi/2
  • Pi
  • 90