Question 1079204
Q1, cosine decreasing, sine increasing
Q2, cosine decreasing, sine decreasing
Q3, cosine increasing, sine decreasing
Q4, cosine increasing, sine increasing
{{{sin(theta)=0}}} when {{{theta=0}}} and {{{theta=pi}}}
{{{cos(theta)=0}}} when {{{theta=(1/2)pi}}} and {{{theta=(3/2)pi}}}