Graph the curves r=5+3 cos 0 and r= 5-3 sin 0.

Q: Express the number -5 in the form R(cos(0) + i sin(0)) = Reil where R>0 and 0 <0 < 2T.

A: rewrite -5 as -5=-5+0i comparing with z=a+bi a=-5 , b=0 R=a2+b2=-52+02=25+0=25=5 now…

Q: What is the period of cos(2rx)?

A: We know that the period of  cosx is 0 to 2 π Hence cos0 to cos 2π

Q: Sketch the curve r = 3 sin(2θ)

A: To sketch the curve r = 3 sin(2θ) It's amplitude lies between -3 to 3  At θ = 45°, sin(2θ) =…

Q: 1+cos2x 3. cotx sin 2x

A:

Q: add or subtract formulas 2sin(t/2 +2pi/3) in sines and cosine without phase

A: In this problem, we need to express the given expression in terms of sines and cosines without…

Q: Describe the relationship between the graphs of y = A cos(Bx - C) and y = A cos(Bx - C) + D.

A:

Q: Find   cos(u2)cos(u2)   if   secu=9.545

A:

Q: Show that sin(sin-1 v + cos-1 v) = 1.

A: sinsin-1v+cos-1v=1

Q: Evaluate cos³ (72) sin(7x)dr / COS³ + C

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Q: Draw a graph of sin 2x + sin 2(x + π/3). What are the period and amplitude

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Q: Number 23

A: we have to find definite intregral of given question

Q: sin4x sin2x=1/2(cos2x-cos6x). Prove the identity

A: Consider the given identity

Q: dr de sin - r- cos + eª cos = 0

A: