Trigonometric Ratios and Identities

Section: Mathematics
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Question : 26 of 64
 
Marks: +1, -0
Let f(θ)=3(sin‌4(‌
3Ï€
2
−θ
)
+sin‌4(3π+θ)
)
−2(1−sin‌22θ)
and S={θ∈[0,π]:f′(θ)=−‌
√3
2
}
. If 4β=
∑
θ∈S
θ
, then f(β) is equal to
[29-Jan-2023 Shift 1]
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