# When do we say magnetic flux(phi) = NAB cos theta and when we say NAB sin theta? need explain for each or with what given i use each?

• When do we say magnetic flux(phi) = NAB cos theta and when we say NAB sin theta? need explain for each or with what given i use each?

The concepts of brightness and flux density ... when do we use spectral brightness ... {\theta = 0}^{\theta_\odot} \cos\theta (\sin\theta d\theta d\phi) ...
Positive: 51 %
... x &= \rho\sin\phi\cos\theta\notag ... Can you see why we only need $\phi$ to ... In order to correctly understand someone's use of spherical ...
Positive: 48 %

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Synchronous Machine and Winding Models ... if the machine is turning at a speed consistent with the electrical frequency we say ... at last we need to ...
Positive: 51 %
We say hypothetical ... These waves which cancel each other at $y = 0$ will do the same at $y = b$ only if ... The result is \$\sin^2\theta + \cos^2\theta ...
Positive: 46 %
Trigonometry Review with the Unit ... if we add to t we end up at the same sint cost 2π ... formulas and identities from trig. which we’ll use through ...