Question 724720:  solve the equation on the interval 0 < or equal to theta < 2 pi. 
tan theta = cot theta 
 Answer by lwsshak3(11628)      (Show Source): 
You can  put this solution on YOUR website! solve the equation on the interval 0 < or equal to theta < 2 pi. 
tan theta = cot theta 
This is true for theta = π/4, 3π/4, 5π/4, 7π/4 
At π/4 and 5π/4, tan theta=cot theta=1 
At 3π/4 and 7π/4, tan theta=cot theta=-1 
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