There are values of t so that sin t = .3 and cos t = -.6.

Question

Is it true or false

Answer 1

Must have values of cos(t) and sin(t) so

cos²t+sin²t=1

.36+.09 is not equal to 1

meaning there is no angle t

where cos(t)=-.6 and at same time sin(t)=.3