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- Write each expression as a single secant, cosecant or cotangent of an acute angle.\dfrac{1}{\sin 37^\circ}(\cos 52^\circ)^{-1}\dfrac{\cos 18^\circ}{\sin 18^\circ}\dfrac{1}{\tan 71^\circ}\sec 66^\circ, as a cosecant
- Triangle ABC has its right angle at C, with hypotenuse AB = 26 and A = 125.
- Find each acute angle θ to the nearest tenth of a degree.
- Without a calculator, put these four numbers in order from least to greatest.
- An escalator in a train station lifts riders through a vertical height of 7.5 meters.
- The roof of a garden shed is a single slope.
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Secant, cosecant and cotangent ratios: the lesson ›More Chapter 3 worksheets: Angles, radians and the unit circle
- 3.1Sine, cosine and tangent
- 3.2Trig values of the special right triangles
- 3.3Angles in standard position and coterminal angles
- 3.4Radian measure
- 3.5Arc length and sector area in radians
- 3.6Angular and linear speed
- 3.7Trig functions on the unit circle
- 3.8Sine, cosine and tangent as functions of a real number
- 3.9Reference angles
- 3.10Signs of the trig functions by quadrant
- 3.11Secant, cosecant and cotangent ratios
- 3.12Secant, cosecant and cotangent on the unit circle
- 3.13Exact values on the unit circle
- 3.14Unit circle symmetry and even-odd identities
- 3.15Periodicity and the periodicity identities