2 years ago

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

Mathematics

1 answer:

polet [3.4K]2 years ago

6 0

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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