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Mathematics

Answered

Prove the following relations:
1) (1 - cos²A) (1 + tan²A) = tan²A

Answer :

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Step-by-step explanation:

(1 - cos²A) (1 + tan²A) = tan²A

(sin²A)(sec²A) = tan²A

(sin²A)(1/cos²A) = tan²A

(sin²A)/(cos²A) = tan²A

tan²A = tan²A → Proved

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