Find cottheta if costheta 29 and sintheta 0 and tantheta So

Find cot(theta) if cos(theta) = -2/9 and sin(theta) 0 and tan(theta)

7) cos(theta) = -2/9 ; sintheta<0

height = sqrt( 9^2 - 2^2) = sqrt(77)

tan(theta) = sqrt(77)/2

cot(theta) = 2/sqrt(77)

8) sin810 =sin(720+90) = sin(2*360 + 90) = sin90

= 1

Option I

9) Amount = Principal(1 +rate/12)^12n

A = 1600( 1+ 0.09/12)^11*12

= $ 4290.09 = $4290.1 (after rounding off )

Option D