Rewriting a Trigonometric Expression In Exercises 27-34, write the expression as the sine, cosine, or tangent of an angle. 27. sin 3 cos 1.2 – cos 3 sin 1.2 28. cos sin ; sin cos 5 29. sin 60° cos 15° + cos 60° sin 15° 30. cos 130° cos 40° – sin 130° sin 40° tan(7/15) + tan(27/5) 31. 1-n (π/15) tan (2π/5) tan 1.1 – tan 4.6 32. 1 + tan 1.1 tan 4.6 33. cos 3x cos 2y + sin 3x sin 2y 34. sin x cos 2x + cos x sin 2x
Rewriting a Trigonometric Expression In Exercises 27-34, write the expression as the sine, cosine, or tangent of an angle. 27. sin 3 cos 1.2 – cos 3 sin 1.2 28. cos sin ; sin cos 5 29. sin 60° cos 15° + cos 60° sin 15° 30. cos 130° cos 40° – sin 130° sin 40° tan(7/15) + tan(27/5) 31. 1-n (π/15) tan (2π/5) tan 1.1 – tan 4.6 32. 1 + tan 1.1 tan 4.6 33. cos 3x cos 2y + sin 3x sin 2y 34. sin x cos 2x + cos x sin 2x
Rewriting a Trigonometric Expression In Exercises 27-34, write the expression as the sine, cosine, or tangent of an angle. 27. sin 3 cos 1.2 – cos 3 sin 1.2 28. cos sin ; sin cos 5 29. sin 60° cos 15° + cos 60° sin 15° 30. cos 130° cos 40° – sin 130° sin 40° tan(7/15) + tan(27/5) 31. 1-n (π/15) tan (2π/5) tan 1.1 – tan 4.6 32. 1 + tan 1.1 tan 4.6 33. cos 3x cos 2y + sin 3x sin 2y 34. sin x cos 2x + cos x sin 2x
Rewriting a Trigonometric Expression In Exercises 27–34, write the expression as the sine, cosine, or tangent of an angle.
Transcribed Image Text:Rewriting a Trigonometric Expression In
Exercises 27-34, write the expression as the sine, cosine,
or tangent of an angle.
27. sin 3 cos 1.2 – cos 3 sin 1.2
28. cos
sin ; sin
cos
5
29. sin 60° cos 15° + cos 60° sin 15°
30. cos 130° cos 40° – sin 130° sin 40°
tan(7/15) + tan(27/5)
31.
1-n (π/15) tan (2π/5)
tan 1.1 – tan 4.6
32.
1 + tan 1.1 tan 4.6
33. cos 3x cos 2y + sin 3x sin 2y
34. sin x cos 2x + cos x sin 2x
Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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