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Back to Complementary angle relationship (sin x = cos(90 degrees - x)) — Problem 2 · Task Set 16

Complementary Angle Relationship

Grade 10·21 problems·~30 min·Digital SAT Math·topic·sat-geotrig-rt-comp
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A

Fluency Practice

1

If cos⁡(x)=sin⁡(20°)\cos(x) = \sin(20\degree), find xx. Enter the value in degrees.