Valkiyare
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Hello, I’m doing A-Level Further Maths and I am struggling at the moment. Can anyone recommend any good websites/applications to teach me and explain the content simply? I’m really having a hard time with trigonometry at the moment, especially trigonometric identities and radians. Thank you for any help.
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mqb2766
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Drfrost slides and exercises
https://www.drfrostmaths.com/resource.php?rid=278
PMT questions
https://www.physicsandmathstutor.com...s/c3-by-topic/
Revision Maths
https://revisionmaths.com/advanced-l...s/trigonometry
....
I'm presuming you have the relevant course book and have had a good go through it?

It may help if you have a more specific question. For instance, what don't you understand about radians? The basic idea is fairly easy. 1 radian is the angle that's made when you move one radius along the circumference. As the circumference is 2*pi*r which is approximately 6r, then 1 radian is ~ 60 degrees. That's it. It defines angle measurement in terms of length, rather than a fairly arbitrary 360 degrees.
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