Question: 3. Prove that Sin2x = 2cotx csc2 x is an identity. 4. Determine the solutions to the equation tan? x = 3 - 2tanx for

3. Prove that Sin2x = 2cotx csc2 x is an identity.

3. Prove that Sin2x = 2cotx csc2 x is an identity. 4. Determine the solutions to the equation tan? x = 3 - 2tanx for 0

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