Mathematics, 01.07.2020 16:01 lailalorinda
Which equation could be used to find the value of x? Triangle DEF where angle E is a right angle. DE measures x. DF measures 55. Angle F measures 49 degrees. cos 49° = x over 55 cos 49° = 55 over x sin 49° = x over 55 sin 49° = 55 over x
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Which equation could be used to find the value of x? Triangle DEF where angle E is a right angle. DE...
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