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Author Question: If and are each first quadrant angles, which of the following must be true if sin = cos ? a. + ... (Read 24 times)

HudsonKB16

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on: Jul 28, 2018
If  and  are each first quadrant angles, which of the following must be true if sin  = cos ?
 a.  +  =  rad b.  +  = 90
  c.    = /2 rad d.  =

Question 2

Consider the cosine of any angle between 35 and 40. If the angle were doubled, what would happen to the cosine of the angle.
 a. It would halve.
  b. It would decrease to less than half its original value.
  c. It would decrease but be more than half its original value.
  d. In different cases, it could do any of the above.


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juwms

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


HudsonKB16

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Reply 2 on: Jul 28, 2018
:D TYSM

miss.ashley

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Reply 3 on: Yesterday
Gracias!

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