The problem of derivative in second grade mathematics Find the tangent equation of the curve y = SiNx at point a (6 / 6 π, 2 parts only 1)? 2. Find the tangent equation of the square of the parabola y = x parallel to the line 2x-y = 0? 3. Find the tangent equation of the point (0,0) and the square of the curve y = x? 4. Find the tangent equation of the point (1, - 1) on the curve y = XD 3 power - 2x? To write the process, thank you

The problem of derivative in second grade mathematics Find the tangent equation of the curve y = SiNx at point a (6 / 6 π, 2 parts only 1)? 2. Find the tangent equation of the square of the parabola y = x parallel to the line 2x-y = 0? 3. Find the tangent equation of the point (0,0) and the square of the curve y = x? 4. Find the tangent equation of the point (1, - 1) on the curve y = XD 3 power - 2x? To write the process, thank you

1. Y '/ 6 / 6 π = cos 6 / 6 π = 2 / 2 root sign 3 = k is the slope, so the equation is y = 2 root sign 3x-12 root sign 3 π + 2 / 2 root sign 2. K = 2x' = 2, so x '= 1, so the tangent point is (1,1), so the equation is y = 2x-1 3. K = 2x' = 0 (x '= 0), so the tangent line is y = 0