Which expression provides the measure of angle n? tan (7/6) tan (6/7) tan -1(7/6) tan -1(6/7)

Hello from MrBillDoesMath!

tan ^(-1)  (6/7), the last expression in the list

Discussion:

In a right triangle,

tan(@) = side opposite angle\side adjacent to angle.

In our triangle, this becomes

tan(@) = LM \ MN =  6/7 =>

@ is the inverse tangent of (6/7)

Regards,  

MrB

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !