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if sin(x)=cos(x), which quadrants) would the terminal side of angle lies

 

 

answer: 

1. I only

2. II only

3. I and II

4. II and IV

 Jun 8, 2021
edited by Guest  Jun 8, 2021
 #1
avatar+32758 
+2

at 45 degrees and 225 degrees   sin and cos are equal and of the the same +- sign      Q 1   Q 3

 Jun 8, 2021

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