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441

Q:

If cos(2θ+54°) = sinθ, 0°<(2θ-54°)<90°, then what is the value of $$1\over tan5θ+cosec{5θ\over 2}$$   

  • 1
    $$3\sqrt { 2}$$
  • 2
    $$2-\sqrt { 3}$$
  • 3
    $$2\sqrt { 3}$$
  • 4
    $$2+\sqrt { 3}$$
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Answer : 2. "$$2-\sqrt { 3}$$ "

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