19. cos x-cos 2x = 020. sin x -cos 2x221. 2 cos- x + sin x - 1 = 022. 2 sin2 xcos x 1=O23. 4 sin2 x +4 cos x - 5024. 4 cos x - 4 sin x - 5 = 025. 2 sin x + cot x- cSC x = )26. 2 cos x + tan x = sec xV227. sin x + cos x =28. sin x - cos x = V2Solve for 0 if 0°0 < 360°.V330. sin 0 V3 cos 029. V3 sin 0 + cos e = V332. sin 0 V3 cos 01V3 sin 0 -cos 0 131.34. sin cos = 12cos 0 = 0233. sincos e = 0236. coscos e 1235. cosFor each equation, find all degree solutions in the interval 0° 0

Question
Asked Oct 31, 2019

Number 33

19. cos x-cos 2x = 0
20. sin x -cos 2x
2
21. 2 cos- x + sin x - 1 = 0
22. 2 sin2 x
cos x 1=O
23. 4 sin2 x +4 cos x - 5
0
24. 4 cos x - 4 sin x - 5 = 0
25. 2 sin x + cot x- cSC x = )
26. 2 cos x + tan x = sec x
V2
27. sin x + cos x =
28. sin x - cos x = V2
Solve for 0 if 0°
0 < 360°.
V3
30. sin 0 V3 cos 0
29. V3 sin 0 + cos e = V3
32. sin 0 V3 cos 0
1
V3 sin 0 -cos 0 1
31.
34. sin cos = 1
2
cos 0 = 0
2
33. sin
cos e = 0
2
36. cos
cos e 1
2
35. cos
For each equation, find all degree solutions in the interval 0° 0<360°. If rounding is
0ary mund to the nearest tenth of a degree. Use your graphing calculator to verify
#
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19. cos x-cos 2x = 0 20. sin x -cos 2x 2 21. 2 cos- x + sin x - 1 = 0 22. 2 sin2 x cos x 1=O 23. 4 sin2 x +4 cos x - 5 0 24. 4 cos x - 4 sin x - 5 = 0 25. 2 sin x + cot x- cSC x = ) 26. 2 cos x + tan x = sec x V2 27. sin x + cos x = 28. sin x - cos x = V2 Solve for 0 if 0° 0 < 360°. V3 30. sin 0 V3 cos 0 29. V3 sin 0 + cos e = V3 32. sin 0 V3 cos 0 1 V3 sin 0 -cos 0 1 31. 34. sin cos = 1 2 cos 0 = 0 2 33. sin cos e = 0 2 36. cos cos e 1 2 35. cos For each equation, find all degree solutions in the interval 0° 0<360°. If rounding is 0ary mund to the nearest tenth of a degree. Use your graphing calculator to verify #

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check_circleExpert Solution
Step 1

Given,

- cose 0
sin
2
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- cose 0 sin 2

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Step 2

On simplificatio...

ө
1-2sin
2
cosx = 1-2sin
2
sin
0
2
ө
ө
+sin
2
2sin
=0
2
ө
2sin 2 sin
2
ө
- sin
2
-1 0
2
ө
ө
sin
+1
2
Ө
2sin
sin
+10
Ө
ө
10
sin
2sin
1
2
2
ө
sin 1 0 or 2sin
2
ө
= 0
2
ө
-1 or sin
2
ө
1
sin
2 2
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ө 1-2sin 2 cosx = 1-2sin 2 sin 0 2 ө ө +sin 2 2sin =0 2 ө 2sin 2 sin 2 ө - sin 2 -1 0 2 ө ө sin +1 2 Ө 2sin sin +10 Ө ө 10 sin 2sin 1 2 2 ө sin 1 0 or 2sin 2 ө = 0 2 ө -1 or sin 2 ө 1 sin 2 2

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Math

Trigonometry

Trigonometric Ratios