Use the special right triangle to evaluate sin 60°, cos 60° and tan 60°. your answers should be exact (not a decimal).
a. sin 60 = 1/2, cos 60 = √3/2, tan 60 = √3/3
b. sin 60 = √2/2, cos 60 = √2/2, tan 60 = 1
c. sin 60 = 1, cos 60 = 0, tan 60 = undefined
d. sin 60 = √3/2, cos 60 = 1/2, tan 60 = √3

What is the value of the digit 1 in the number 13?

which  best  describes the transformation from the graph of  f(x) =  x2  to the graph of  f(x) = (x  – 3)2  – 1?   left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit  right 3 units, up 1 unit

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.