https://peda.net/id/0cf0f20471e 2025-08-05T13:50:46+03:00 https://peda.net/:static/533/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div> https://peda.net/id/0cf1472371e 2019-01-22T14:05:30+02:00 <span><b>1.</b><br/> Laske ilman laskinta<br/> a) <img src="https://math-demo.abitti.fi/math.svg?latex=%5Csin%5Cfrac%7B5%5Cpi%7D%7B2%7D" alt="\sin\frac{5\pi}{2}"/><br/> b) <img src="https://math-demo.abitti.fi/math.svg?latex=%5Ccos%5C%20%5Cfrac%7B%5Cpi%7D%7B3%7D%2B%5Ccos%5C%20%5Cfrac%7B5%5Cpi%7D%7B3%7D" alt="\cos\ \frac{\pi}{3}+\cos\ \frac{5\pi}{3}"/><br/> <br/> <b>2.</b><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=%5Csin%20x%3D0%7B%2C%7D5" alt="\sin x=0{,}5"/><br/> <br/> <b>3.</b><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=%5Ccos%20x%3D%5Cfrac%7B%5Csqrt%7B3%7D%7D%7B2%7D" alt="\cos x=\frac{\sqrt{3}}{2}"/><br/> <br/> <b>4.</b><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=%5Csin%20x%3D%5Ccos2x" alt="\sin x=\cos2x"/><br/> <br/> <b>5.</b> Laske <img src="https://math-demo.abitti.fi/math.svg?latex=%5Cleft(%5Csin%20x%2B%5Ccos%20x%5Cright)%5E2" alt="\left(\sin x+\cos x\right)^2"/><span>, kun </span><img src="https://math-demo.abitti.fi/math.svg?latex=%5Csin2x%3D-%5Cfrac%7B1%7D%7B4%7D" alt="\sin2x=-\frac{1}{4}"/><br/> <br/> <b>6.</b> Derivoi<br/> a) <img src="https://math-demo.abitti.fi/math.svg?latex=%5Csin%20x" alt="\sin x"/><br/> b) <img src="https://math-demo.abitti.fi/math.svg?latex=%5Ccos%20x" alt="\cos x"/><br/> c) <img src="https://math-demo.abitti.fi/math.svg?latex=%5Ctan%20x" alt="\tan x"/><br/> d) <img src="https://math-demo.abitti.fi/math.svg?latex=%5Ccos%5E3x" alt="\cos^3x"/><br/> e) <img src="https://math-demo.abitti.fi/math.svg?latex=%5Csin2x" alt="\sin2x"/><br/> f) <img src="https://math-demo.abitti.fi/math.svg?latex=%5Ccos%5Cleft(4x%5E2-3x%5Cright)" alt="\cos\left(4x^2-3x\right)"/><br/> <br/> <b>7.</b><br/> 3.30<br/> 3.34<br/> 3.36</span> 2025-08-05T13:50:46+03:00