Trigonometric Identity Evaluation (JEE Mains) | ExamDuo
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Basic trigonometric ratios
Medium
Trigonometric Identity Evaluation
If sinx + sin
2
x = 1,
, then (cos
12
x + tan
12
x) + 3(cos
10
x +
tan
10
x + cos
8
x + tan
8
x) + (cos
6
x + tan
6
x) is equal to :
SELECT ONE OPTION
A
4
B
3
C
2
D
1
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