Asked by Rachal

Use a cofunction to write an expression equal to csc(4ð/11).

I need help solving this problem. Thank You
Answered by drwls
What is ð ?
Answered by Reiny
Did you notice that trig co-functions come in pairs:

sine ---cosine
secant --- cosecant
tangent --- cotangent

so csc(4π/11) = ......
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