Show me the workings of this ?

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1 Answer
Mar 5, 2018

#37.3toC#

Explanation:

#"using the "color(blue)"trigonometric ratio"#

#•color(white)(x)tantheta="opposite"/"adjacent"#

#rArrtan75^@=a/10#

#"multiply both sides by 10 to eliminate the fraction"#

#rArr10xxtan75^@=cancel(10)xxa/cancel(10)#

#rArra=10tan75^@~~37.3" to 1 dec. place"#