Given cosθ=2√5 and sinθ<0 . What is the value of sinθ?

A) −23√5

B) 2√5

C) 23√5

D) −2√5

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)

Pls the last one and it has to be like number 6