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Mathematics: Post your doubts here!

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this formula is not for maths :eek: this 1 for phy.

Got it ! See its askng indirectly that first u go south, then u go east towards C , so how long is the distance , so make a triangle with hypo as AC, then apply the sin rule , Sin90/85 = Sin60.2/x , cross mulitply, = 73.76
 
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