Prove by mathematical induction that [tex]cos heta+cos3 heta+cos5 het a++cos(2n-1) heta=rac{sin2n het a}{2sin heta}[/tex] where sinθ≠0 for all positive integers n.

For , on the left we have , and on the right,(where we use the double angle identity: )Suppose the r...

Mathematics, 24.06.2019 04:00, bcox32314

Prove by mathematical induction that $cos\theta+cos3\theta+cos5\thet a++cos(2n-1)\theta=\frac{sin2n\thet a}{2sin\theta}$ where sinθ≠0 for all positive integers n.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:30, chriscendypierre56

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Answers: 1

continue

Mathematics, 21.06.2019 15:40, daijahamaker062816

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Answers: 1

continue

Mathematics, 21.06.2019 17:00, liaholmes8

Given f(x)=2x^2-8x+6 and g(x)=3x-1 find f(x) +g(x) a. 2x^2+5x+5 b.2x^2-11x+7 c. 2x^2-5x+5 d.2x^2-5x-5

Answers: 1

continue

Mathematics, 21.06.2019 17:00, rrgehsh

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Answers: 1

continue

Do you know the correct answer?

Prove by mathematical induction that [tex]cos\theta+cos3\theta+cos5\thet a++cos(2n-1)\theta=\frac{s...