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If tan(πcosθ)=cot(πsinθ)\tan(\pi \cos \theta) = \cot (\pi \sin \theta)tan(πcosθ)=cot(πsinθ) and 0<θ<3π40 < \theta < \frac {3 \pi }{4}0<θ<43π, then sin(θ+π4)= ?\sin (\theta + \frac {\pi}{4}) =\ ? sin(θ+4π)= ?
This problem is part of the set Trigonometry.
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