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60 PNTS and Brainliest to whoever answers all 3 correctly!! I will be double checking the work....

QUESTION 3 answer choices...

sqrt = square root

A) sqrt 2/2, - sqrt 2/2
B) -1/2, sqrt 3/2
C) - sqrt 2/2, sqrt 2/2
D) - sqrt 3/2 , 1/2

60 PNTS and Brainliest to whoever answers all 3 correctly I will be double checking the work QUESTION 3 answer choices sqrt square root A sqrt 22 sqrt 22 B 12 s class=

Respuesta :

choixongdong
1)
-280 
= -14π / 9
answer is B.
----------------------

2)
3π/ 5 
= 108

answer
C. 108 degrees

3)
cos (3π/4) = -√2 / 2
sin ((3π/4) = √2 / 2
cos (3π/4) and sin ((3π/4) = -√2 / 2 * √2 / 2

answer is
 -√2       √2 
------ * --------
  2          2

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