Question

if cos x = -12/13 , x lies in third quadrant , find sin x, cos x​

Answer 1

Answer:

cos x = -12/13

b/h = -12/13

h² = b² + p²

(13)² = (-12)² + p²

169 = 144 + p²

169-144 = p²

25 = p²

p² = 5²

p = 5

sin x = -5/13

cos x = -12/13

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Answer 2

Answer:

Step-by-step explanation:

hypoteneous method is the easiest for thid !!

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