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Trigonometry Identities - Co-Function Identity True/False (Degrees)

Level 1

The topics in this unit focus on mastering the basic trigonometric identities. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

PracticeWorksheetView

Trigonometry Identities - Co-Function Identity True/False (Degrees)

Is this cofunction identity correct?

sin(135∘)=cos(90∘−135∘)\text{sin}{(135^{\circ})} = \text{cos}{(90^{\circ} - 135^{\circ})}

?