definitelynotrach
definitelynotrach definitelynotrach
  • 13-07-2021
  • Mathematics
contestada

sec²x + cosec²x ≡sec²xcosec²x​

proving qn pls i nd it by tdy

Respuesta :

Bromine67
Bromine67 Bromine67
  • 13-07-2021

Step-by-step explanation:

sec²x + cosec²x = sec²x.cosec²x

1/cos²x + 1/sin²x = 1/cos²x.1/sin²x

or, (sin²x+cos²x)/sin²x.cos²x = 1/(sin²x.cos²x)

or, 1/(sin²x.cos²x) = 1/(sin²x.cos²x)

Hence,

sec²x + cosec²x = sec²x.cosec²x proved!!

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