Yes, as long as it's between the two numbers
51) -4 and 1
52) -1 and -3
53) -9 and -10
It’s 90 degrees because it’s a right angle
Answer:
Step-by-step explanation:
in quadrant 1 cos and sec are positive.
cos(θ)=√(1-sin²θ)=√(1-(12/13)²)=√((169-144)/13²)=5/13
secθ=13/5
