2 3π 2 4. cos α ==, 3 -

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 10E
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can you explain question 4

Find the exact value of the following under the given conditions:
cos (α+ß)
tan(a+ß)
3
3. tana, a lies in quadrant III, and sin ß:
=²
=
2 3л
32
sin(a+ß)
4. cosa,
8
<a<27, and sin ß =
17
ß lies in quadrant II.
and sin ß= 1, 0<ß</
2
T
Transcribed Image Text:Find the exact value of the following under the given conditions: cos (α+ß) tan(a+ß) 3 3. tana, a lies in quadrant III, and sin ß: =² = 2 3л 32 sin(a+ß) 4. cosa, 8 <a<27, and sin ß = 17 ß lies in quadrant II. and sin ß= 1, 0<ß</ 2 T
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