Sin 90 Degrees I Formula and its Derivation I Sample Examples

The sine function of an angle is equal to the length of the opposite side divided by the length of the hypotenuse side. To know about Sin 90 degrees, visit BYJU
The sine function of an angle is equal to the length of the opposite side divided by the length of the hypotenuse side. To know about Sin 90 degrees, visit BYJU'S.

Prove that : (i) `sinthetacos(90^(@)-theta)+sin(90^(@)-theta)costheta=1`

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