i don't know how do this, pls help somebody)))

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Answers (2)

Image Analyst
Image Analyst on 6 Oct 2021
Did you try
d = 10.6
alpha = 50; % Or 1
ctga = whatever????
result = d^3 * ctga * sqrt(sind(alpha)^4 - cosd(alpha)^4);
I have no idea what OTBET means, and what the other a) and 6) numbers (after/below the equation) are for.
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aldiyar kurmangaliev
aldiyar kurmangaliev on 6 Oct 2021
Ответ - this is the result of the example
I have two tasks
a) d= 10.6
a= 50
b)d=e^2.3
a=1
anyway i can't do this work, pls help

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Walter Roberson
Walter Roberson on 6 Oct 2021
syms c t g
d = sym(10.6)
d = 
a = sym(50);
eqn18 = d.^3 .* c .* t .* g .* a .* sqrt(sind(a).^4 - cosd(a).^4)
eqn18 = 
vpa(eqn18)
ans = 
Notice that α is given in degrees.
Be careful: the result in eqn18 is going to have units, that include degrees -- unles c, g, t have units that cancel out the degrees.

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