JEE Main 9 Jan 2020 Shift 1 Solved Paper

Section: Mathematics

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Question : 69 of 75

Marks: +1, -0

The value of cos3(

π

8

)‌cos(

3π

8

)+sin3(

π

8

)‌sin(

3π

8

)

[9 Jan 2020 Shift 1]

1
4
1
√2
1
2√2
1/2

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