Fichas
Trigonometry Resource
Fichas del conjunto (28)
- 1Ratios for Sine, Cosine and Tangentsinθ= opp/hyp
cosθ= adj/hyp
tanθ=opp/adj - 2Q1Worked Answers Q1
1.56m
- 3—Worked Answers Q2
36°52'
- 4Conversions between degrees and minutes1 degree = 60 minutes (1°=60')
- 5Round 54°17' to the nearest degree54°
- 6Conversions between minutes and seconds1 minute = 60 seconds (1'=60'')
- 7Round 54°17' 38'' to the nearest minute54°18'
- 8True Bearings are measured from _______North
- 9Where are angles of elevation from?The angle of elevation is measured from the horizontal ground and looking up to an object.
- 10Where are angles depression measured from?The angle of depression is measured from looking down from the horizontal to an object.
- 11Find the angle of elevation of a 15.9m cliff from a point 100m out from its baseWorked Answers Q3
9°2' - 12Sine Rule
- 13—Worked Answers Q4
a. 14.08cm
b. 15.58cm
- 14Cosine rule for an unknown side
- 15—Worked Answers Q5
32.94mm
- 16Cosine rule for an unknown angle
- 17Find the unknownWorked Answers Q6
57°42'
- 18Sine formula for the area of a triangle
- 19—Worked Answers Q7
7.52cm²
- 20—Worked Answers Q8
a. 109.25cm²
b. 16°20'
- 21Conversion from Degrees to RadiansMultiply by π/180
- 22Conversion from Radians to DegreesMultiply by 180/π
- 23Convert 135° to radiansWorked Answers Q9
3π/4 - 24Formula length of arcl = rθ
where: θ is in radians - 25—Worked Answers Q10
125π√35/648
- 26Formula for the area of a sectorA = 1/2r²θ
where: θ is in radians - 27—Worked Answers Q11
r = 3cm
θ = π/15
- 28—Worked Answers Q12
a. 3.84cm
b. 0.88cm²
c. 25.84cm
Información
- Descripción
- Fichas sobre Trigonometry Resource, creado por Gregory Willson el 15/06/2019.
- Creado por
- Gregory Willson
- Visitas
- 10
- Valoración