Why sin(30˚) equals 1/2
Why sin(30)=1/2 ?
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Solve the Trig equation sin x = 1/2. Give a general formula and list six solutions
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Proof of sin(30) = 1/2
If sin(A-B)=1/2 and cos(A+B)=1/2 find the value of A and B
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Trick for doing trigonometry mentally!
Solve sin x = -1/2