Questions asked by Belle

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• How do I verify the following trigonometric identity? Cot^2x-cos^2x/csc^2x-1=cos^2x
  
• How do I verify the following trigonometric identity? 1+sinx/cosx=cosx/1-sinx
  
• How do I simplify the following trigonometric identity? Cos^2(x)/sin^2(x)+(csc(x)sin(x))
  
• How do I simplify the following trigonometric identity? Tan(x)/cot(x)
  
• How do I simplify the following trigonometric identity? Csc(x) cot (x)/sec(x)