Back to Complementary angle relationship (sin x = cos(90 degrees - x)) — Problem 5 · 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 sin⁡(25°)=cos⁡(y)\sin(25\degree) = \cos(y), what is yy?