Explanation:
0.76+0.64/0.76-0.64
1.40/0.12
11.66
is the answer
Answer:
11.4300523
cos 40° = 0.7660444431
sin 40° = 0.6427876097
cos 40° + sin 40° = 1.408832053
cos 40° - sin 40° = 0.1232568334
1.408832053 ÷ 0.1232568334 = 11.4300523
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