Question

[20] Simplify (R cis 0)' A. Rp cis pe B. Rºcis po C. Rp cis do D. Rºcis Op E. none of these [21] Which polar point is not equivalent to the polar point (20. - 700º)? A. (20, 20°) B. (-20, 2009) c. (-20. - 160°) D. (20. - 340") E. not one of these is not equivalent, meaning they are all equivalent [22] Which polar point is not equivalent to the polar point (-31, – 3x)? A. (36,0) B. (37, 37) c. (-37, -2) D. (-36,-) E. not one of these is not equivalent, meaning they are all equivalent [23] Which polar point is not equivalent to the polar point 6, 19x A. 197 12 B. c. D. ( 177 12 E. not one of these is not equivalent, meaning they are all equivalent (24) Which polar point is not approximately equivalent to the polar point (12, 6)? A. (12, 12.28) B. (12. - 28) C. (-12.2.86) D. (-12. - 2.86) E. all of these are approximately equivalent

Answer 1

24 option ( D) using π=3.14 and 2π=6.28 using equation *

Equivalent Polar Grordinates even Crio) (r, iar) 7 (8,0) (-8 , o Ir) (odd multiple P Csopi [R (oso risind) (R ciso)? (close PP RP e Po RP (GSPOT (GSPO + i sinpo) (Cispo) (RCD o)? RP 21 Which equivalent to of point fallowing is not (20,-700) Polar using ☆ option (B) Not equivalent Polar boint S = 30,-37) Using (32,37) g? Not equivalent Polovre point (-6,52) option (c) (6;-193) is not equivalent using