So g prime of x is going to be equal to, you could view it as a derivative with respect to x of seven sine of x. So we could take, let's do the derivative operator on both sides here, just to make it clear what we're doing. So we're gonna apply it there, we're gonna apply it there, and we're going to apply it there. So this derivative, this is the same thing as this is going to be seven times the derivative of sine of x, so this is just going to be seven times cosine of x. This one over here, this is going to be three, or we're subtracting, so it's gonna be this minus, we can bring the constant out that we're multiplying the expression by, and the derivative of cosine of x, so it's minus three times, the derivative of cosine of x is negative sine of x, negative sine of x. And then finally, here in the yellow, we just apply the power rule. So we have the negative 2 3rds, actually let's not forget this minus sign, I'm gonna write it out here.