@@only_cricket_lover375 Yeh literally sabse basic question hoga. Bas sin²x wala formula aana chahiye. Mere school ke pre-boards mei aisa question bas ek bahut complex Question ka sub part hota h
No you are wrong + to tab ayega jab tum derivative karoge but yeah integration hai lagta hai tumne derivative jayda hi padh liya hai ya to integration ke q kam kare hai