Answer:
180< x < 270 so x is in 3rd quadrant ,hence tan x is positive cos x=-4/5 tan(x/2) = √ {(1 − cos x) / (1 + cos x)) = √ { (1+4/5)/(1–4/5) } =√{ 9/5)/(1/5) } =√9=±3 now ...
Answer:
-12/35
Step-by-step explanation:
-3×4/5×7
-12/35
Answer:
scalene
Step-by-step explanation:
also an acute triangle is something to do with angles so as long as no angles are provided, scalene is the best option
Answer: 5 oz
Step-by-step explanation:
you get more and for the price of 7.35 it’s not worth only getting three oz
Answer:42
Step-by-step explanation:
2(3+6)+(8)(3)
=(2)(9)+(8)(3)
=18+(8)(3)
=18+24
=42
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