Question

solve cos 2x to the power 0 + cos x to the power 0 - 2 is equal to zero​

Answer 1

We know that any number raised to power 0 becomes one.

Now,

LHS= (cos 2x)^0 + (cos x) ^0 -2

= 1+1-2

= 2-2

= 0 = RHS

HENCE PROVED.