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Hello, Originally Posted by maths900 Do you know about Weierstrass substitution ? Let Then and Otherwise... : Now the RHS :
Moo, for the last bit, did you use the double angle formulas and
Hello, maths900! We're expected to know the Half-Angle Identities: . . . . The left side is: . . . . . .
oh ok lol thanks
Originally Posted by maths900 Moo, for the last bit, did you use the double angle formulas and Yes :P I prefer remembering them this way rather than "half-angle identities" :P
Originally Posted by Moo Yes :P I prefer remembering them this way rather than "half-angle identities" :P lol me too.
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