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Deffense [45]
3 years ago
14

Help pls Evaluate. ​​ 169−−−√ ​ Enter your answer in the box.

Mathematics
2 answers:
koban [17]3 years ago
7 0

Answer:

square root is 13

Step-by-step explanation:

Nat2105 [25]3 years ago
6 0

Answer:

13!

Step-by-step explanation:

i used my calculator and did the test k-12! its right!

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3 years ago
If sin(x) = 5/13, and x is in quadrant 1, then tan(x/2) equals what?
Rufina [12.5K]
x is in quadrant I, so 0, which means 0, so \dfrac x2 belongs to the same quadrant.

Now,

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\tan x is also positive for x in quadrant I, so you take the positive root again. You're left with

\tan\dfrac x2=\dfrac15
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