10-12

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 4th, 2015

Tan (30 deg) = 4/x

x = 4 / Tan (30 deg)

x = 4 / 0.5774

x = 7

Sin (30 deg) = 4 / y

y = 4 / Sin (30 deg)

y = 4 / 0.5

y = 8

Tan (45 deg) = 24 / x

x = 24 / Tan (45 deg)

x = 24 / 1

x = 1

Sin (45 deg) = 24 / y

y = 24 / Sin (45 deg)

y = 24 / 0.707

y = 34

Cos (60 deg) = x / 7√3

x = 7√3 * Cos (60 deg)

x = 12.124 * 0.5

x = 6.1 Or    x = 6

Sin (60 deg) = y / 7√3

y = 7√3 * Sin (60 deg)

y = 12.124 * 0.866

y = 11

Mar 4th, 2015

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