Get Full Access to Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 11 Mathematics
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Online ProgramIf \(sin x = -\frac{5}{13}\), and \( \frac{\pi }{2}<x<\ \pi \), find cos x.
Instruction:
Write your answer as fraction in the text box given.(Example: a/b or -a/b)