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Rosilyn

Questions (2)

Prove that the equation Is an identity.Sec^4x - Tan^4x = Sec^2x + Tan^2x
1. 1 answer
2. 499 views
Prove that the equation Is an identity.Sec^4x - Tan^4x = Sec^2x + Tan^2x
1. 1 answer
2. 2,122 views