1.

If sinA=45 and cosB=513, where 0<A, B<π2, find the values of the following: (i) sin(A+B) (ii) cos(A+B) (iii) sin(A-B) (iv) cos(A-B)

Answer»

If sinA=45 and cosB=513, where 0<A, B<π2, find the values of the following:
(i) sin(A+B)
(ii) cos(A+B)
(iii) sin(A-B)
(iv) cos(A-B)



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