Answer:
sinθ = 3/5 and cosθ = -4/5
Step-by-step explanation:
If tanθ = -3/4, then opposite/adjacent => 3/-4. Using Pythagoras' theorem we get:
hyp² = opp²+adj² => 3²+4² = 25
so, hyp = √25 => 5
Now, sinθ = opp/hyp => 3/5 and cosθ = adj/hyp => -4/5
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