Maths Grade 10 P2
, Trigonometry
Opposite side
Adjacent side
Adjacent side
Opposite side
Sin = opp / hyp
Cos = adj / hyp SOHCAHTOA
Tan = opp / adj
Given
cosθ = 0,5 On calculator
Solve for θ - shift -> cos -> 0,5 -> press equal sign = 600
, Isolate the ratio with the angle
- tanθ - 4,123 = 0
tanθ = 4,123
(solve for θ)
450
600
√2
2 1
1 2
0 450
30
1
√3
2
B
sin350 = opp/hyp
sin350 = AB / 8
8 8sin350 = AB
??
4.59 = AB
350
A ?? C
, Trigonometry
Opposite side
Adjacent side
Adjacent side
Opposite side
Sin = opp / hyp
Cos = adj / hyp SOHCAHTOA
Tan = opp / adj
Given
cosθ = 0,5 On calculator
Solve for θ - shift -> cos -> 0,5 -> press equal sign = 600
, Isolate the ratio with the angle
- tanθ - 4,123 = 0
tanθ = 4,123
(solve for θ)
450
600
√2
2 1
1 2
0 450
30
1
√3
2
B
sin350 = opp/hyp
sin350 = AB / 8
8 8sin350 = AB
??
4.59 = AB
350
A ?? C