cos 2 θ = sin α solution (Jee Mains) | ExamDuo
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Basic Ratios, Identities & Formulas
Medium
cos 2 θ = sin α solution
If cos 2 θ = sin α , then θ is given by :
SELECT ONE OPTION
A
2θ =
π
2
- α
B
θ = 2nπ ±
(
π
2
- α
)
C
θ = nπ ±
(
π
4
-
α
2
)
D
θ =
1
2
[nπ + (- 1)
n
α]
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