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sin A=15/7 and sin B=3/5. what is the value of cos C?
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Not enough information.
the information just like that. in triangle ABC known sin A=15/7 and sin B=3/5
Well now, that is a whole different thing. We now know that the angles are in the same triangle.
And also, something else is wrong. The sin of an angle cannot be greater than 1 so sin A=15/7 is a non starter.
i know, it using comparation. there are 3 different triangle. thanks for reply :)
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lol what the hell. First there's one triangle, now there's three? Just post the entire question, word for word, diagrams included if there are any.
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