julie305 julie305
  • 07-04-2021
  • Mathematics
contestada

Verify the Identity.

tan²xsin²x = tan²x-sin²x

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LammettHash
LammettHash LammettHash
  • 07-04-2021

tan²(x) - sin²(x) = sin²(x)/cos²(x) - sin²(x)

… = sin²(x) (1/cos²(x) - 1)

… = sin²(x) (sec²(x) - 1)

… = sin²(x) tan²(x)

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