IIT JEE Advanced 2009 Paper 1

Section: Mathematics

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Question : 50 of 60

Marks: +1, -0

If

sin4x

2

+

cos4x

3

=

1

5

then

[JEE Adv 2009 P1]

tan2x =
2
3
sin8x
8
+
cos8x
27
=
1
125
tan2x =
1
3
sin8x
8
+
cos8x
27
=
2
125

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