Phân tích các xu hướng và chu kỳ trong lịch sử và các hiện tượng xã hội.

In[16] := tanx∗cosx. In[16] := tanx∗cosx. In[16] := tanx∗cosx. Out[16] = x− x3. 6. + x5. 120. − x7. 5040. +O[x]8. In[17] := sinx/cosx. In[17] := sinx/cosx. In[ ... cosxsinx. X+1/4. Xin sinx-cosx. X+π/4. Sin X-cost. X+"/M (Sinx-cosh) Cost lim. -1 хунки cosx. 5. Find constants AdB so y= A sinx + Busx satisties. Recall flx)= ... sin x > cos x on the interval 0 x < 2 . From the unit circle we see that sin x and cos x can only have the same value in two places, in x = ... tanx = sinx/cosx. This identity can easily be shown by asking the student to draw a right-angled triangle, with one of the remaing two angles labelled x. Jun 4, 2015 ... The max value equals root2 and minimum minus root 2. Thence the range is between min and maz. Hence the answer would be from minus root 2to root 2. Sep 19, 2018 ... Note that cos 2x = cos^2x - sin^2 x....= (cos x - sin x) (cos x + sinx ).....so we have (cos^2x - sin^2x ) / ( cosx Work each problem.Find the exact values of sin x, cos x, and tan x, for x = π/12 , usinga. difference identitiesb. half-angle identities. Given that y = c1ex cosx + c2ex sinx is the general solution of a second- order differential equation with the following boundary-value conditions: y(0) = a ... Modified Newtonian Laws are, first: d/dx cosx =−sinx, d/dx sinx = cosx; second: F⃗=m∙a⃗+|mg⃗∫tg𝜃⋅d𝜃 ⟩↿⇂ third: Wavelength ... It's correct so far, but I don't think it helped. Expand out the bracket on the LHS and see if you recognize anything.