Prove that Acosx + Bsinx

Prove that Acosx + Bsinx = Rcos(x+c) where c = tan^-1(B/A) and R = sqrt(A^2+B^2)
1. 1 answer
2. asked by Vikram Shah
3. 152 views
show that any fuctiony(t)=acosx+bsinx ,satisfied the differential equation y^"+wy=0 and also find the value of (a) and (b)
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2. asked by edward
3. 723 views
Write an equation of the cosine function with amplitude 2, period pi, phase shift pi/4.y=acosx y=2cos2(x-pi/4) I got it wrong
1. 1 answer
2. asked by Jon
3. 1,059 views
find maximum value of 4(sinx+acosx)(sinx+bcosx) - (a+b)^2
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2. asked by Nipun
3. 480 views
FIND THE X VALUES OF ALL POINTS, -2PI LESS THAN OR EQUAL TO X LESS THAN OR EQUAL TO 2PI, WHERE Y=X+B IS TANGENT TO Y=X+BSINX.I
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2. asked by anonymous
3. 561 views
HII WOULD LIKE TO KNOW WHAT I CAN POSSIBLY PROVE ABOUT EITHER THE BERMUDA TRIANGLE OR ATLANTIS THE LOST EMPIRE WE AARE SUPPOSED
1. 4 answers
2. asked by TRIXIE
3. 786 views
I'm supposed to prove that if america stopped getting involved in the affairs of the world the result would NOT be chaos.PLEASE
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2. asked by ally
3. 709 views
uestion 1Video Player A) What theorem can be used to prove that the triangles are congruent? (1 point) Responses SSS SSS ASA ASA
1. 1 answer
2. 57 views
7. Prove that tan B� sin B� + cos �B = sec B�.11. Prove that tanλ cos^2λ +sin^2λ/sinλ = cos λ� + sin λ�. 12. Prove that
1. 1 answer
2. asked by RUDY
3. 684 views
6.Prove that tan y cos^2 y + sin^2y/sin y = cos y + sin �y10.Prove that 1+tanθ/1-tanθ = sec^2θ+2tanθ/1-tan^2θ 17.Prove that
1. 1 answer
2. asked by eddy
3. 721 views