Write the phrase as a mathematical expression picture

What is the midpoint of np if n (1,9) and p (-5-1)

Classify the following triangle check all tht apply

Tangent ? ) × cos /2 +? ) > 0. the answer is that cos ? < 0. i forgot to put the minus before. i get confusermd when i see questions similar to this when the radian is negative such as /2 i cant seem to solve it