1.

If U_(n) = sin n theta.sec^(n)theta, V_(n)=cosnthetasec^(n)theta for n=0,1,2,……. Then V_(n)-V_(n-1) + U_(n-1) tan theta = ?

Answer»

0
1
`SIN THETA`
`COS theta`

ANSWER :A


Discussion

No Comment Found