alizakarn6 alizakarn6
  • 08-07-2021
  • Mathematics
contestada

prove that . 1+cot2 theta = cosec2theta​

Respuesta :

jimrgrant1 jimrgrant1
  • 08-07-2021

Answer:

see explanation

Step-by-step explanation:

Using the Pythagorean identity

sin²θ + cos²θ = 1 ( divide terms by sin²θ )

[tex]\frac{sin^20}{sin^20}[/tex] + [tex]\frac{cos^20}{sin^20}[/tex] = [tex]\frac{1}{sin^20}[/tex] , that is

1 + cot²θ = cosec²θ ← as required

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