C4 maths integration and parametric equations
Hi, I need help with b. I've tried doing integration in parts but that's wrong. Can someone please help? Thanks. 
Original post by Danielnovels25
Hi, I need help with b. I've tried doing integration in parts but that's wrong. Can someone please help? Thanks.
Generally looks OK, except you've changed sin(2t) into sin(t), and similarly with cos.
Original post by ghostwalker
Generally looks OK, except you've changed sin(2t) into sin(t), and similarly with cos.
Uggghhh I can't believe I couldn't spot such a simple mistake😒😑.
Anyway, thank you so much ')
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