1.

ngARSwerQuestionslypeove that b2-t:Board Term-1, 2015, Set-NJQzQBNI

Answer» <p>i) Take out a^2b^2 common you get</p><p>a^2b^2( sec^x - tan^2x)</p><p>= a^2b^2 because ( sec^x - tan^2x) =1</p> <p>Not understand </p>


Discussion

No Comment Found