Trigonometric Functions


 ExcelExcel - Inverses
SineSINASIN
CosineCOSACOS
   
TangentTANATAN
CoTangentCOT (1 / TAN)ACOT
   
SecantSEC (1 / COS) 
CosecantCSC (1 / SIN) 


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Example 1

Lets assume a = 10 and b = 25

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What is the size of the angle x ?

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Remember that all the functions return radians so this is converted to degrees in cell "B3".


What is the size of the angle y ?

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Remember that all the functions return radians so this is converted to degrees in cell "B3".


Example 2

Lets assume x = 33, y = 57 and c = 18

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What is the length of side a ?

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What is the length of side b ?

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