Trigonometric Function Value Calculation (Jee M… | ExamDuo
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Basic Ratios, Identities & Formulas
Medium
Trigonometric Function Value Calculation
Let
f
k
(x) =
1
k
(
s
i
n
k
x
+
c
o
s
k
x
)
for k = 1 , 2 , 3 , ... Then for all x ∊ R, the value of
f
4
(x) -
f
6
(x) is equal to :
Ask about this question
SELECT ONE OPTION
A
5
12
B
−
1
12
C
1
4
D
1
12
Check