differentiate
posted by Jen .
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 + ...
Respond to this Question
Similar Questions

Science
Given seccant of thata = 3, use trigonometric identities to find the exact value of a Cos thata b tan squre of thata c csc (90 degree  thata) d sin squre thata secTheta=3 but secTheta= 1/cosTheta solve for cosTheta Then, sin^2theta+ … 
pig question (PHYSICS)
Hello, a slide loving pig slides down a certain 35° slide in twice the time it would take to slide down a frictionless 35° slide. What is the coefficient of kinetic friction between the pig and the slide? 
Bobpursley for this question please, physics
I don't understand though why you can make w/mlambda I thought it was the otherway around? 
precalculus
Graph the polar equation: 2=r cos(theta + 180) 2=r(costheta cos180+sintheta sin180) 2=r(1/2costheta +pi+ pi sintheta) 2=1/2rcostheta + pi rsintheta 2=1/2x+ pi y 4=x+ pi 0= x + pi4 how do i graph? 
Precalc HELP PLEASE
verify 1sintheta * costheta * tantheta = cos^2theta 
Precalc please
Verify: 1/(1sintheta) * 1/(1+sintheta) = sec^2theta 
PreCalculus
Verify: 1/(1sintheta) * 1/(1+sintheta) = sec^2theta sec^2theta is the answer, it would be great if someone can do the steps for me. thank you. 
maths trigonometry
if cottheta=7/8 then what is the value of 1+costheta/1sintheta*1costheta/1+sintheta. 
math
what does the polar equation r=1/(sintheta + costheta) represent? 
physics
A 2.00 kg ball moving to the right at 10.0 m/s makes an offcenter collision with a stationary 3.00 kg ball. After the collision, the 2.00 kg ball is deflected upward at an angle of 30o from its original direction of motion and the …