(30 points) algebra 1 PLZ HELP ASAP!!!!
1 answer:
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U get a calculator and u put 4^2+7^4 n u put it in the calculator but the pic shows what a sqaure root looks like n u see the button with the x2 u can press that for when u put the 4 square root 2 then plus 7 n then u hit the button that has this symbol ^ n hit 4 then equal an itll give u the answer which is 2417.
Step-by-step explanation:
sina = -√3/2
=±1/2
Since, π<a<3π/2
cos a = -1/2
OptionB