Question

A and B can finsh a peice of work in 45 and 30 day respectively B is 3/2 as efficient a A then in then in How many days will they finish that work​

Answer 1

Answer:

sin 13° cos 17° + sin 77° cos 73° = ..

(a) 1/2

(b) 73/

(c) 1/2

(d) -sin 4°

Answer 2

Answer:

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