Lily K.

asked • 07/24/21

Let α and β be two acute angles of a right triangle in a unit circle. (Thus α and β are complementary angles.)

a. Show that sin⁡(α)=cos⁡(β) and sin⁡(β)=cos⁡(α)


 Under what conditions will sin⁡(α)=cos⁡(α)

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