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Komok [63]
3 years ago
5

I need help on this how do you find the third measure

Mathematics
1 answer:
Sliva [168]3 years ago
5 0
I believe you have to add both numbers and subtract it by 180. 
Example on number 1. 
45+55=89
180-89=91
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Lets prove this identity by proceeding with the LHS

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= Sin(α)/ (Sin(α)/Cos(α)) (Tan(α) = Sin(α)/Cos(α))

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Learn more about Trigonometric Ratios here :

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