Prove the following i. cosec2A - cot2A = tanA ii. 2sinAcos3A - 2sin3Ac

1.	Prove the following i. cosec2A - cot2A = tanA ii. 2sinAcos3A - 2sin3AcosA = sin4A/2
Answer» <strong style="font-size: 15px; line-height: 20px !important;">Prove the following i. cosec2A - cot2A = tanA ii. 2sinAcos3A - 2sin3AcosA = sin4A/2</strong><p><strong>Solution:</strong></p>

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