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Mathematics, 20.10.2020 14:01 biaxialpower789

Which equation could be used to find the value of x? Triangle DEF where angle E is a right angle. DE measures 55. EF measures x. Angle D measures 49 degrees.

cos 49° = x over 55
tan 49° = x over 55
cos 49° = 55 over x
tan 49° = 55 over x

Which equation could be used to find the value of x?

Triangle DEF where angle E is a right angle.

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