Answers: 2
![\displaystyle \frac{d}{dt}[c^2=a^2+b^2-2ab\cos(\theta)]\\\\\\\Rightarrow2c\frac{dc}{dt}=\frac{da}{dt}(2a-2b\cos(\theta))+\frac{db}{dt}(2b-2a\cos(\theta))+2ab(\sin(\theta)\frac{d\theta}{dt})](/tpl/images/0921/9937/31613.png)
![\displaystyle\frac{d}{dt}[c^2]=\frac{d}{dt}[a^2+b^2-2ab\cos(\theta)]](/tpl/images/0921/9937/36d53.png)
![\displaystyle \frac{d}{dt}[c^2]=\frac{d}{dt}[a^2]+\frac{d}{dt}[b^2]-\frac{d}{dt}[2ab\cos(\theta)]](/tpl/images/0921/9937/b9aad.png)
![\displaystyle 2c\frac{dc}{dt}=2a\frac{da}{dt}+2b\frac{db}{dt}-2\frac{d}{dt}[ab\cos(\theta)]](/tpl/images/0921/9937/b74a0.png)
![\displaystyle \frac{d}{dt}[ab\cos(\theta)]](/tpl/images/0921/9937/6378a.png)
![\displaystyle u'=\frac{d}{dt}[ab]\text{ and } v'=\frac{d}{dt}[\cos(\theta)]](/tpl/images/0921/9937/458c4.png)
![\displaystyle u^\prime=\frac{d}{dt}[ab]](/tpl/images/0921/9937/ae444.png)
![\displaystyle u_2^\prime=\frac{d}{dt}[a]\text{ and }v_2^\prime=\frac{d}{dt}[b]](/tpl/images/0921/9937/b0676.png)
![\displaystyle u{^\prime}=\frac{d}{dt}[ab]=u_2^\prime v_2+u_2v_2^\prime=\frac{da}{dt}b+a\frac{db}{dt}](/tpl/images/0921/9937/de28a.png)
![\displaystyle \frac{d}{dt}[ab\cos(\theta)]=u^\prime v+uv^\prime\\\\ =(\frac{da}{dt}b+a\frac{db}{dt})\cos(\theta)-(ab)(\sin(\theta)\frac{d\theta}{dt})](/tpl/images/0921/9937/0dc8f.png)
![\displaystyle 2c\frac{dc}{dt}=2a\frac{da}{dt}+2b\frac{db}{dt}-2\Big[(\frac{da}{dt}b+a\frac{db}{dt})\cos(\theta)-(ab)(\sin(\theta)\frac{d\theta}{dt})\Big]](/tpl/images/0921/9937/8691c.png)
![\displaystyle 2c\frac{dc}{dt}=\big[2a\frac{da}{dt}-2\frac{da}{dt}b\cos(\theta)\big]+\big[2b\frac{db}{dt}-2a\frac{db}{dt}\cos(\theta)\big]+2ab(\sin(\theta)\frac{d\theta}{dt})](/tpl/images/0921/9937/d6b6d.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 13:40, secondweb448
/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?
Answers: 1
Mathematics, 21.06.2019 16:00, dswitz6604
Will give brainliest what is the value of x? enter your answer in the box.
Answers: 1
Mathematics, 21.06.2019 21:30, jasminelynn135owmyj1
The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse
Answers: 1
Do you know the correct answer?
Differentiate the Law of Cosines with respect to time....
Questions in other subjects:
Mathematics, 07.04.2020 17:57
Mathematics, 07.04.2020 17:57
Mathematics, 07.04.2020 17:57
Business, 07.04.2020 17:57
Mathematics, 07.04.2020 17:57
Biology, 07.04.2020 17:57
