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I have the student (covid) version Through CQU. when I am trying to use cosd(305) for example, I get a reply "Index exceeds the number of array elements (1)". sind and tand work fine.
How do I rectify this problem?

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James Tursa
James Tursa 2020-7-19
You have inadvertantly created a variable called cosd that is shadowing the function cosd( ). Clear the variable and pick a different name.
Sean Kerlin
Sean Kerlin 2020-7-19
Thankyou it is now fixed

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