Вычислите : 5arccos1/2 + 3arcsin (-корень из 2/2)

вычислите : 5arccos1/2 + 3arcsin (-корень из 2/2)=5*pi/3-3*pi/4=20pi/12-9pi/12=11pi/12

0\\\\m^{2}+28m-29=0\\\\D=28^{2}-4*(-29)=784+116=900=30^{2} \\\\m_{1}=\frac{-28+30}{2}=1\\\\m_{2} =\frac{-28-30}{2}=-29<0-neyd\\\\2^{x}=1\\\\2^{x} =2^{0}\\\\x=0" class="latex-formula" id="TexFormula2" src="https://tex.z-dn.net/?f=2%294%5E%7Bx%7D%2B14%2A2%5E%7Bx%2B1%7D%20%3D29%5C%5C%5C%5C%282%5E%7Bx%7D%29%5E%7B2%7D%2B14%2A2%5E%7Bx%7D%2A2-29%3D0%5C%5C%5C%5C%282%5E%7Bx%7D%29%5E%7B2%7D%2B28%2A2%5E%7Bx%7D-29%3D0%5C%5C%5C%5C2%5E%7Bx%7D%3Dm%2Cm%3E0%5C%5C%5C%5Cm%5E%7B2%7D%2B28m-29%3D0%5C%5C%5C%5CD%3D28%5E%7B2%7D-4%2A%28-29%29%3D784%2B116%3D900%3D30%5E%7B2%7D%20%5C%5C%5C%5Cm_%7B1%7D%3D%5Cfrac%7B-28%2B30%7D%7B2%7D%3D1%5C%5C%5C%5Cm_%7B2%7D%20%3D%5Cfrac%7B-28-30%7D%7B2%7D%3D-29%3C0-neyd%5C%5C%5C%5C2%5E%7Bx%7D%3D1%5C%5C%5C%5C2%5E%7Bx%7D%20%3D2%5E%7B0%7D%5C%5C%5C%5Cx%3D0" title="2)4^{x}+14*2^{x+1} =29\\\\(2^{x})^{2}+14*2^{x}*2-29=0\\\\(2^{x})^{2}+28*2^{x}-29=0\\\\2^{x}=m,m>0\\\\m^{2}+28m-29=0\\\\D=28^{2}-4*(-29)=784+116=900=30^{2} \\\\m_{1}=\frac{-28+30}{2}=1\\\\m_{2} =\frac{-28-30}{2}=-29<0-neyd\\\\2^{x}=1\\\\2^{x} =2^{0}\\\\x=0">