The general solution of the equation cos theta = frac {-1}{2} is
1-cos^2x
SOLVED: Verify that the equation is an identity: tan(1) + cos(x) Choose the correct answer below: A. 2 * tan(1) + cos(x) B. cos(x)^2 - 1 + cos(x) = 1 C. 2 *
intervallo soluzioni cos x <=1/2 – GeoGebra
Решите неравенство cosx > -1/2
Find the general solution for cos x=-1/2 - Maths - Trigonometric Functions - 14338898 | Meritnation.com
How is it simplified into cos(x)+1? What identity am I missing out? : r/askmath