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[" 30."],[" Prove that - "],[qquad (sin ...

[" 30."],[" Prove that - "],[qquad (sin A+csc A)^(2)+(cos A+sec A)^(2)=7+tan^(2)A+cot^(2)A]

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(sin A+cosec A)^(2)+(cos A+sec A)^(2)=7+tan^(2)A+cot^(2)A

Prove that (sin A +cosec A) ^(2) +(cos A +sec A) ^(2) =7+ tan ^(2) A +cot ^(2) A

Prove that (sin A +cosec A) ^(2) +(cos A +sec A) ^(2) =7+ tan ^(2) A +cot ^(2) A

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Prove that (sin A +cosec A) ^(2) +(cos A +sec A) ^(2) =7+ tan ^(2) A +cot ^(2) A

Prove that ( sin A+ cosec A)^2+(cos A+sec A)^2=7+tan^2 A+ cot^2 A .

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( sin A + cosec A ) ^ 2 + ( cos A + sec A) ^ 2 = 7 + tan ^ 2 A + cot ^ 2 A

Prove that : (cosec A - sin A) (sec A - cos A) sec^(2) A = tan A