Which one of the following is true for $0^{0} < \theta < 90^{0}$

Which one of the following is true for $0^{0} < \theta < 90^{0}$
1). $cos\theta \leq cos^{2}\theta$
2). $cos\theta > cos^{2}\theta$
3). $cos\theta < cos^{2}\theta$
4). $cos\theta \geq cos^{2}\theta$

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