Question

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Answer 1

Answer:

what u want u ask dude .....

Answer 2

Step-by-step explanation:

cos1*cos2*cos3*.....*cos180

=> we all know that cos90 = 0 & also cos180 = 0

so that

= cos1*cos2*...*cos90*....*cos180

= cos1*cos2*....*(0)*.....*(0)

= 0