Find one solution for the equation. Assume that all angles involved are acute angles. sinθ+35°=cos2θ−20°

θ=?

Is a positive integer raised to a negative power always positive

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

How to find the exponential function y=ca^x, with points (1,2) and (2,1)