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11th Standard English Medium Maths Subject Trigonometry Creative 2 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 10

    2 Marks

    5 x 2 = 10
  1. Prove that sin6x + cos6x = 1 - 3 sin2x cos2x

  2. Evaluate tan 4800

  3. Prove that \(\frac { cos(2\pi +x)cosec(2\pi +x)tan\left( \frac { \pi }{ 2 } +x \right) }{ sec\left( \frac { \pi }{ 2 } +x \right) cos.cot(\pi +x) } \)= 1

  4. Find the value of tan\(\frac { \pi }{ 2 } \).

  5. Prove that \(\frac { cos9x-cos5x }{ sin17x-sin3x } =-\frac { sin2x }{ cos10x } \)

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