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


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