Consider the following statements : 1....

Consider the following statements :
1. There exists at least one value of x between 0 and `pi/2` which satisfies the equation `sin^4x-2sin^2x-1=0`
2. `sin15` is greater than `cos15`
Which of the above statements is/are correct?

A

1 only

B

2 only

C

Both 1 and 2

D

Niether 1 nor 2

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