1.

If sec x + tan x = k, cos x =(a) k2+12k(b) 2kk2+1(c) kk2+1(d) kk2-1

Answer» If sec x + tan x = k, cos x =



(a) k2+12k



(b) 2kk2+1



(c) kk2+1



(d) kk2-1


Discussion

No Comment Found