909.9 ___= 90,990 centiliters

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.