Question: Answer each one as true or false:

a) $$\frac{\tan {{45}^{\circ }}}{\tan {{15}^{\circ }}}=\tan {{3}^{0}}$$

b) $$\sin {{45}^{\circ }}+\cos {{45}^{0}}=1$$

c) $${{\cot }^{2}}{{10}^{\circ }}-{{\csc }^{2}}{{10}^{\circ }}=-1$$

d) An angle that measures $$-{{1260}^{\circ }}$$ lies in quadrant III