...problem could you help please!? Given tan theta = 1 for pi less than or equal to theta and theta less than or equal to 2 pi find the cos 2 theta and tan (theta/2)
Now i know that theta is 5pi over 4 and the answer to cos 2 theta = 0 but i don't know how the teacher got that answer
Now i know that theta is 5pi over 4 and the answer to cos 2 theta = 0 but i don't know how the teacher got that answer