Question

यदि tanA+sinA=m, tanA-cotA, तो दिखाइए कि m^2-n^2=4 square root mn

Answer 1

m^2-n^2 = tan^2 A+2tanA.cotA+cot^2 A -(tan^2 A -2tanA.cotA+cot^2 A)

=4tanAcotA
=4square root mn

i hope this is useful for u