exam Maths Puzzle Numerical Ability

please solve this problem: please solve the trigonometric equation sin(2x-10 degress)=1/2 give all positive values of the angle between o to 360 degress give any approximate value

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exam Other Question
y=- x-2 -2
There are brackets in front of the x and behind the -2. So how would I graph the equation. Given that (2-y)^3=8-12y+6y^2-y^3 find (2-y)^4

I really dont know how to start it!