plz do it I can't but u can
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(sec^2Q- tan2Q+secQ-tanQ)/1+secQ+tanQ
{(secQ+tanQ)(sec Q- tanQ)+secQ-tanQ}/1+secQ+tanQ
(secQ-tanQ){secQ+ tanQ+1}/1+secQ+tanQ
secQ-tanQ
1/cosQ - sinQ/cosQ
(1-sinQ)/cosQ
hence proved
make my answer as brainlist
{(secQ+tanQ)(sec Q- tanQ)+secQ-tanQ}/1+secQ+tanQ
(secQ-tanQ){secQ+ tanQ+1}/1+secQ+tanQ
secQ-tanQ
1/cosQ - sinQ/cosQ
(1-sinQ)/cosQ
hence proved
make my answer as brainlist
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