This might be wrong, but I think it's 15. Again, sorry if I'm wrong.
Answer with explanation:
Out of six Trigonometric Ratios,that is ,sinθ,cosθ,tanθ,Cosecθ,tanθ, cotθ ,all are used for a right triangle.
For any right triangle
cot θ

Answer:
-12
Step-by-step explanation:
-2(-3) x 2(-1)=
6 x -2=
Sure he is correct: proof: NOTE TAT 10HRS CORRESPOND TO 100%
1st week he worked 10 hrs, the 10% of 10 is 1 hr. Hence if he worked 11 hrs this week that means 10HRS (100%) + 1HR (10%) =110%