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If cosA=−2425 and cosB=35, where π<A<3π2 and 3π2<B<2π, find the following: (i)sin(A+B) (ii)cos(A+B)

Answer»

If cosA=2425 and cosB=35, where π<A<3π2 and 3π2<B<2π, find the following:
(i)sin(A+B) (ii)cos(A+B)



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