Unit Circle - Set 3 (sin & cos for odd multiples of pi/4).
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cos(3π/4)= ?
cos(3π/4)= -(√2/2)
cos(5π/4)= ?
cos(5π/4)= -(√2/2)
cos(7π/4)= ?
cos(7π/4)= √2/2
cos(π/4)= ?
cos(π/4)= √2/2
sin(3π/4)= ?
sin(3π/4)= √2/2
sin(5π/4)= ?
sin(5π/4)= -(√2/2)
sin(7π/4)= ?
sin(7π/4)= -(√2/2)
sin(π/4)= ?
sin(π/4)= √2/2
