Question

3. Sendo sen x = raiz 6 sobre 3, determine a cotg x.​

Answer 1

senX = v6/3

senX^2 + cosX^2 = 1

(v6/3)^2 + cosX^2 = 1

cosX^2 = 1 - 6/9 = 9/9 - 6/9

cosX^2 = 3/9 = 1/3

cosX = 1/v3

tgX = senX/cosX

tgX = v6/3÷1/v3 = v6.v3/3.1

tgX = v9/3 = 3/3 = 1