I need help with the code if a should put d in trig identites

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My mee
My mee 2021 年 6 月 9 日
回答済み: Walter Roberson 2021 年 6 月 9 日
A vector can be represented by its rectangular coordinates x and y or by its polar coordinates r and . The relationship between them is given by the equations
Assign values for the polar coordinates to variables and . Write the Matlab code that would use these values and assign the corresponding rectangular coordinates to variables x and y
Should i put d when I input the code? For example, x=r*cosd(theta)

回答 (1 件)

Walter Roberson
Walter Roberson 2021 年 6 月 9 日
Use sind() and cosd() if the angle has been given to you in degrees.
Use sin() and cos() if the angle has been given to you in radians.
Note: if the angle has been given in radians, then pol2cart() can do the work for you.

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