Answer:
cot(x)
Step-by-step explanation:
csc(x) = 1/sin(x)
cos(x)*csc(x) = cos(x)*1/sin(x)
cos(x)*csc(x) = cos(x)/sin(x)
cos(x)*csc(x) = cot(x)
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abbreviations
csc = cosecant
cos = cosine
sin = sine
cot = cotangent
