Category: Trigonometry

Proving trigonometric identities #1

The common error in proving trigonometric identities is to assume the equality of the left-hand side (LHS) and the right-hand side (RHS) of what is being proved. To prove an identity means to transform the LHS and RHS in the same form. Prove the identity: Solution sure to get 0/5 mark: This is a ratio…

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