irui2223 irui2223
  • 29-04-2021
  • Mathematics
contestada

Evaluate: cos ω, if tan ω = - 4/3 and sin ω > 0

Respuesta :

Jsf09
Jsf09 Jsf09
  • 29-04-2021

Answer:

-3/5

Step-by-step explanation:

tan = opp/adj using pathagorean the hypt is 5

cos = 3/5

tan is negative in quad 2 and 4

sin is positive in quad 1 and 2

so because tan is negative and sine is positive the cosine is negative

-3/5

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