Question
A. PROVE THE FOLLOWING IDENTITIES:
3. tan*x + tan²x = sec*x – sec'x
tanx+secr-1
1+sinx
tanx-secr1
cosx
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A. PROVE THE FOLLOWING IDENTITIES: 3. tan*x + tan²x = sec*x – sec'x tanx+secr-1 1+sinx tanx-secr1 cosx

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