How can I solve it ?? Help please
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How can I solve this Equation Sin(2t)-3t=3t-cos(t) without using ((solve)) Thank you
回答（3 个）
syms t
eqn = sin(2*t)-6*t+cos(t)==0 ;
s = solve(eqn,t)
Ameer Hamza
2020-11-5
编辑：Ameer Hamza
2020-11-5
You said without using ((solve)). Try fzero()
f = @(t) sin(2*t)-3*t-3*t+cos(t)
t_sol = fzero(f, 0)
Result
>> t_sol
t_sol =
0.2385
This solution does not require any additional toolbox.
f = @(t) sin(2*t)-6*t+cos(t) ;
t = linspace(0,1,10^6) ;
y = f(t) ;
t0 = t(abs(y)<=10^-6)
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2020-11-5
2020-11-5
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