1.

TanA÷(1+tan×tan A) square + cosA ÷ (1+ cot × cotA) square =sin A×cos A​

Answer»

tanA÷ (1+sinA/cosA × sinA/cosA) SQUARE

tanA÷(1+SIN SQ A / COS sq A) square

tanA÷(cos sq A + sin sq A/cos sq A) square

tanA÷(1/cos sq A) square



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