Prove the following trigonometric identities:

= sin²A(1 – sin²B) – (1 – sin²A)sin²B

= sin²A – sin²Asin²B – sin²B + sin²Asin²B

= sin²A – sin²B

Hence Proved

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Prove the following trigonometric identities:

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Prove the following trigonometric identities:

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Prove the following trigonometric identities:

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Prove the following trigonometric identities: