Question

Find the value of 6 sec2A – 6 tan2A​

Answer 1

$\huge \sf {\purple{\underline {\pink {\underline { ᗩᑎՏᗯᗴᖇ᭄\ }}}}}$

we use the identity sec^2 A - tan ^2 A =1-----(1)

6tan^2 A - 6 sec ^2 A= -6 (sec^2A -tan ^2 A)

= -6*1 [ from(1)]

=-6