Math, asked by skabil, 11 months ago

answer my question fast​

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Answered by sanket954
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  1. (cotQ-cosecQ)(cotQ-cosecQ)
  2. using formula of (a+b)(a-b)=(a2-b2)
  3. (cot2Q-cosec2Q)
  4. 1ans
  5. Cos60°=1/2
  6. sin30°=1/2
  7. 1/2×1/2
  8. 1/4
  9. cos30°=√3/2
  10. sin60°=√3/2
  11. cos30°×Sin60°=3/4
  12. cos60°×sin30°+cos30°×sin60°
  13. 1/4+3/4
  14. (ii) 1 ans
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