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Hello from MrBillDoesMath!
Answer:
csc (90° – x) = sec (x )
sin (90° – x) = cos (x )
tan (90° – x) = cot (x)
cos (90° – x) = sin (x )
cot (90° – x) = tan (x )
sec (90° – x) = csc (x)
Thank you,
MrB
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