Sine Beta from Given Angles (Jee Mains) | ExamDuo
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Basic Ratios, Identities & Formulas
Medium
Sine Beta from Given Angles
If α, β ϵ
(
0 ,
π
2
)
, sin α =
4
5
and cos (α + β) = -
12
13
, then sin β is equal to
SELECT ONE OPTION
A
63
65
B
61
65
C
3
5
D
5
13
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