(cos/sin)/(1/ cos^2)+(cos/sin)/(1/sin^2)
cos^3/sin + cos sin
cos^3/sin + cos sin^2/sin
cos (cos^2 + sin^2)/sin
but cos^2 + sin^2 = 1
so
cos/sin
or
cot x
Can someone please explain how to simplify this proiblem:
cotx/sec^2 + cotx/csc^2
2 answers
what happens to the cosine on the right side, when its in this step
cos^3x/sinx + cosxsinx^2/sinx
cos^3x/sinx + cosxsinx^2/sinx