If secQ+tanQ=2,write the value of secQ-tanQ.
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sec Q + tan Q =2-----(1)
sec^2 Q - tan ^2 Q =1(identity)
(sec Q+ tan Q)(sec Q - tan Q)=1
2*(secQ- tan Q)=1 [from(1)]
sec Q - tan Q =1/2
sec^2 Q - tan ^2 Q =1(identity)
(sec Q+ tan Q)(sec Q - tan Q)=1
2*(secQ- tan Q)=1 [from(1)]
sec Q - tan Q =1/2
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