
Trigonometry
Prove that (sin^<sup>4</sup>θ – cos^<sup>4</sup>θ +1) cosec^<sup>2</sup>θ = 2
 This discussion was modified 3 months ago by Lucky Chauhan. Reason: Prove that (sin^4(θ) – cos^4(θ )+1) cosec^2(θ )= 2
Prove that (sin^<sup>4</sup>θ – cos^<sup>4</sup>θ +1) cosec^<sup>2</sup>θ = 2
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