Deepa P.

asked • 07/20/17

(Cot a+ Csc B)/(tan a+ sinB) = cot a Csc B

  • use the receprocal identities to write the trignkmetric functions in the denominator of the left side.
  • add the fraction in the denominator of the previous step...(left side)
  • the fraction from the previous step the simplifies fo cotA CscB using wha identity? 

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