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2 years ago

13

Use the Pythagorean identity

1 answer:

kirza4 [7]2 years ago

8 0

Answer:

2√61/19

Step-by-step explanation:

sin^2 x = 1 - cos^2 x

= 1 - (3√13/ 19)^2

= 1 - 117/361

= 244/361

sin x = √244/19

= 2√61/19.

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