pls solve this
X value should be the normal typical value...
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sin 2x =-1/2
then the value of 2x =330
x=165
proof
sin 330
sin(270+60)
-cos60
-1/2
then the value of 2x =330
x=165
proof
sin 330
sin(270+60)
-cos60
-1/2
vhpsharitha:
ok
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