Answer:
Step-by-step explanation:
Other trigonometry identities that we have includes cosθ, sinθ, tanθ, secθ, cosecθ
cosecθ = 1/sinθ
Given cotθ=-1/3 and sinθ<0, this means that θ falls in the 4th quadrant.
cotθ= 1/tanθ = -1/3
tanθ = -3/1
Since tanθ = opposite/adjacent = -3/1
opposite = -3
adjacent = 1
Using pythagoras theorem to get the hypotenuse, hyp² = opp²+adj²
hyp² = (-3)²+1²
hyp = √9+1
hyp = √10
cosθ = adjacent/hypotenuse = 1/√10
sinθ = opp/hyp = -3/√10
cosecθ = 1/sinθ = 1/(-3/√10)
cosecθ = -√10/3
secθ = 1/cosθ
secθ = 1/(1/√10)
secθ = 1*√10/1
secθ = √10
