Question

Question in Attachment. :)

Answer 1

sqrt[ 1+sin (t)-sin(t)-sin^2(t)]
sqrt[1-sin^2(t)]

Answer 2

1- sin^2 (t) = cos^2 (t)

Answer 3

sqrt(cos^2)= cos (t)

Answer 4

no just cos (t)

Answer 5

Ah! I see, thank you! :D

Answer 6

YW