anonymous
  • anonymous
evaluate
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
|dw:1436242811607:dw|
Astrophysics
  • Astrophysics
use your trig triangles|dw:1436242932162:dw|
Astrophysics
  • Astrophysics
Now use your trig ratios to figure it out, with the triangles

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Astrophysics
  • Astrophysics
|dw:1436243008504:dw|
anonymous
  • anonymous
could i use the unit circle and put it this way? (1/2) (1/2) + (sqrt3/2) (sqrt 3/2)
Astrophysics
  • Astrophysics
You could use unit circle!
Astrophysics
  • Astrophysics
This is part of the unit circle, but if you're more comfortable with the circle itself, that's great :)
Astrophysics
  • Astrophysics
That looks good, now simplify it
anonymous
  • anonymous
okay so i got 1/4+3/2?
Astrophysics
  • Astrophysics
What is \[\frac{ \sqrt{3} }{ 2 } \times \frac{ \sqrt{3} }{ 2 }\]
anonymous
  • anonymous
sqrt 9/4
anonymous
  • anonymous
i got it! thank you the answer would be 1
Astrophysics
  • Astrophysics
Yup :)
anonymous
  • anonymous
ok on to the next one lol
UsukiDoll
  • UsukiDoll
a square root x a square root is just the number itself \[\sqrt{3} \times \sqrt{3} = 3 \] in exponential form \[3^{\frac{1}{2}}3^{\frac{1}{2}} \rightarrow 3^{\frac{1}{2}+\frac{1}{2}} \rightarrow 3^{\frac{2}{2}} \rightarrow 3^1 \rightarrow 3\]
UsukiDoll
  • UsukiDoll
you would be asked to simplified further so we had to take that extra step... otherwise everything is correct, but careful there are teachers/professors who have no problem taking points off for not giving a simplified answer.

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