If xcosα+cosβ−cos(α+β) and y=4sin.2αsin.2βcos.(2α+β), then (x-y) equals

Click here to view the solution.

Get 2 FREE Instant-Explanations on Filo with code FILOAPP

If {x}{{}}+{{}}-{{{(+)}}} and {y}={4}{{.}}{{}}{{{2}}}{{.}}{{}}

Question

If $x cos α + cos β - cos (α + β)$ and $y = 4 sin . \frac{α}{2} sin . \frac{β}{2} cos . (\frac{α + β}{2})$ , then (x-y) equals

Views: 724 students

Found 2 tutors discussing this question

Ava Discussed

x cos α + cos β - cos (α + β)

and

y = 4 sin . \frac{α}{2} sin . \frac{β}{2} cos . (\frac{α + β}{2})

, then (x-y) equals

9 mins ago

Discuss this question LIVE

9 mins ago

One destination to cover all your homework and assignment needs

Learn Practice Revision Succeed

Instant 1:1 help, 24x7

60, 000+ Expert tutors

Textbook solutions

Big idea maths, McGraw-Hill Education etc

Essay review

Get expert feedback on your essay

Schedule classes

High dosage tutoring from Dedicated 3 experts

Trusted by 4 million+ students

Stuck on the question or explanation?

Connect with our maths tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Question Text

x cos α + cos β - cos (α + β)

and

y = 4 sin . \frac{α}{2} sin . \frac{β}{2} cos . (\frac{α + β}{2})

, then (x-y) equals