What is the polar form of <mstyle displaystyle="true"> ( 4 , -

Loreenwk

Loreenwk

Answered question

2022-05-21

What is the polar form of ( 4 , - 2 ) ?

Answer & Explanation

wayembesail

wayembesail

Beginner2022-05-22Added 10 answers

Step 1
Length from origin to point ( 4 ,   2 ) r
r = 4 2 + ( - 2 ) 2 = 20 = 2 2 × 5 = 2 5
Step 2
Angular measure
θ = 360 - tan - 1 ( 2 4 )
θ 333.435 o to 3 decimal places
Or in radians θ 5.82 radians
Step 3
So P (4,-2) ( r , θ ) ( 2 5 . , 333.435 o ) polar

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