a) Express f(theta) = 4cos

a) Express f(theta) = 4cos theta - 6sin theta in the form r cos(theta + alpha)b) Hence find the general solution of the equation
1. 3 answers
2. asked by Becky
3. 1,342 views
Identify the polar form of the linear equation 4x+3y=10.x=rcos(theta),y=rsin(theta) 4x+3y=4rcos(theta)+3rsin(theta)=10
1. 2 answers
2. asked by Jon
3. 694 views
please help me with this proving questionprove that 4cos(theta) * cos(theta + 120) * cos(theta - 120) = cos(3theta) PLEASE HELP
1. 3 answers
2. asked by Vincent
3. 467 views
can you correct the rest for me please?Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi +
1. 0 answers
2. asked by Anonymous
3. 675 views
can you correct the rest for me please?Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi +
1. 1 answer
2. asked by anon
3. 658 views
can you correct the rest for me please?Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi +
1. 0 answers
2. asked by Anonymous
3. 1,225 views
Please help...I'm not understanding trig identities and how to manipulate and express these two problems in their associated
1. 2 answers
2. asked by Donovan
3. 812 views
Find all points of intersection of the polar curves r= 2 + 4cos theta and r= 6cos theta.Please explain in detail.
1. 1 answer
2. asked by Amber
3. 1,104 views
what are the two critical points for r=4cos( 4(theta)) and its symmetries. As well as for r=2+2sin(theta)?
1. 1 answer
2. asked by cindy
3. 2,794 views
Express the volume of the solid that the cylinder r = 4cos(theta) cuts out of the sphere of radius 4 centered at the origin with
1. 1 answer
2. asked by Anon
3. 2,513 views