Posted by **Jen** on Saturday, December 9, 2006 at 1:14pm.

A = 1/2 ab Sinè

How is dA/dt related to da/dt, db/dt and dè/dt

dA/dt= 1/2 b SinTheta da/dt + 1/2 a SinTheta db/dt + 1/2 ab cosTheta dTheta/dt

This is a U = xyz form

dU/dt= xy dz/dt + ...

## Answer This Question

## Related Questions

- maths trigonometry - if cottheta=7/8 then what is the value of 1+costheta/1-...
- pre-calculus - Graph the polar equation: 2=r cos(theta + 180) 2=r(costheta ...
- Science - Given seccant of thata = 3, use trigonometric identities to find the ...
- Precalc please - Verify: 1/(1-sintheta) * 1/(1+sintheta) = sec^2theta
- physics - A 2.00 kg ball moving to the right at 10.0 m/s makes an off-center ...
- math - what does the polar equation r=1/(sintheta + costheta) represent? how do ...
- Precalc HELP PLEASE - verify 1-sintheta * costheta * tantheta = cos^2theta
- pig question (PHYSICS) - Hello, a slide loving pig slides down a certain 35° ...
- Bobpursley for this question please, physics - I dont understand though why you ...
- Pre-Calculus - Verify: 1/(1-sintheta) * 1/(1+sintheta) = sec^2theta sec^2theta ...

More Related Questions