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" Prove "(Sin A+cos ecA)^(2)+(cos A+sec ...

" Prove "(Sin A+cos ecA)^(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 the following identity,where the angles involved are acute angles for which the expressions are defined.(viii) (sin A+cos ecA)^(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

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

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

Prove (tan A + cos ecB) ^ (2) - (cot B-sec A) ^ (2) = 2tan A cot B (cos ecA + sec B)

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