Edexcel AS Level Maths: 10.5 Harder Trigonometric Equations (Solving using CAST diagram)

Pearson A level maths pure maths year 1 textbook (9.5)

In this video I cover:

1. Solving harder trigonometric equations
2. Solving trigonometric equations but using a CAST diagram

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[yoojinilhae]

thank you so much, you're literally saving my a level math grades

[Suadabdirizak]

🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉 thank you so much sir local time 04:41 in Nairobi Kenya
I appreciate you

[crsilvajrr]

do we just have to memorise in which quadrants it goes in ?

[kheyaislam]

Sin(245) is not equal to -1/sr2, it should be 205