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Other word problems relating angles in trigonometry
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Other word problems relating angles in trigonometry
Basic Concepts: Use sine ratio to calculate angles and sides (Sin = ho ), Use cosine ratio to calculate angles and sides (Cos = ha ), Use tangent ratio to calculate angles and sides (Tan = ao ), Combination of SohCahToa questions
Related Concepts: Ferris wheel trig problems, Tides and water depth trig problems, Spring (simple harmonic motion) trig problems
Lessons
- 1.A bird is sitting in a 35 metre tall tree looking down at a worm on the ground. If the angle of depression from the bird to the ground is 55∘, how far is the bird from the worm?
- 2.Standing on the balcony of an building A, the angle of elevation to the top of the building B across the street is 47∘, and the angle of depression to the bottom of the building B is 58∘. If the buildings are 42 metres apart, find the height of the building B across the street.
- 3.If the volume of the cube below is 512 cm3, what is the length of AB?
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10.
Trigonometry
10.1
Converting between degrees and radians
10.2
Radian measure and arc length
10.3
Angle in standard position
10.4
Coterminal angles
10.5
Reference angle
10.6
Find the exact value of trigonometric ratios
10.7
ASTC rule in trigonometry (All Students Take Calculus)
10.8
Unit circle
10.9
Trigonometric ratios for angles in radians
10.10
Solving first degree trigonometric equations
10.11
Determining non-permissible values for trig expressions
10.12
Use sine ratio to calculate angles and side (Sin = ho )
10.13
Use cosine ratio to calculate angles and side (Cos = ha )
10.14
Use tangent ratio to calculate angles and side (Tan = ao )
10.15
Combination of SohCahToa questions
10.16
Law of sines
10.17
Law of cosines
10.18
Sine graph: y = sin x
10.19
Cosine graph: y = cos x
10.20
Tangent graph: y = tan x
10.21
Cotangent graph: y = cot x
10.22
Secant graph: y = sec x
10.23
Cosecant graph: y = csc x
10.24
Graphing transformations of trigonometric functions
10.25
Determining trigonometric functions given their graphs
10.26
Quotient identities and reciprocal identities
10.27
Pythagorean identities
10.28
Sum and difference identities
10.29
Double-angle identities
10.30
Word problems relating ladder in trigonometry
10.31
Word problems relating guy wire in trigonometry
10.32
Other word problems relating angles in trigonometry
Don't just watch, practice makes perfect
Practice topics for Trigonometry
10.1
Converting between degrees and radians
10.2
Radian measure and arc length
10.3
Angle in standard position
10.4
Coterminal angles
10.5
Reference angle
10.6
Find the exact value of trigonometric ratios
10.7
ASTC rule in trigonometry (All Students Take Calculus)
10.9
Trigonometric ratios for angles in radians
10.10
Solving first degree trigonometric equations
10.11
Determining non-permissible values for trig expressions
10.12
Use sine ratio to calculate angles and side (Sin = ho )
10.13
Use cosine ratio to calculate angles and side (Cos = ha )
10.14
Use tangent ratio to calculate angles and side (Tan = ao )
10.15
Combination of SohCahToa questions
10.24
Graphing transformations of trigonometric functions
10.25
Determining trigonometric functions given their graphs
10.26
Quotient identities and reciprocal identities
10.27
Pythagorean identities
10.28
Sum and difference identities
10.29
Double-angle identities
10.30
Word problems relating ladder in trigonometry
10.31
Word problems relating guy wire in trigonometry
10.32
Other word problems relating angles in trigonometry