Math, asked by mhodzishan798, 3 months ago

Prove that: sin2

(n +1) A - sin2 nA = sin (2n + 1) A sin A.

Answers

Answered by shalineea2000

1

Step-by-step explanation:

please mark me as brainliest

Attachments:

Answered by sweetmuthu118

0

Answer:

sin2(n+1)A - sin2nA = sin(2n+1)A.sinA

we have formula sin2a - sin2b =sin(a-b)sin(a+b)

therefore

sin2(n+1)A - sin2nA=sin[(n+1)A+nA].sin[(n+1)A-nA]

=sin(2n+1)A.sinA =RHS

hence proved

Previous Question

Next Question

Similar questions

Math, 1 month ago

What rational number should be added to −15 21 to get 9 35 ?

Math, 1 month ago

Ud X 5a 12 a2b6c8 and - 3a7b4 c3...

Math, 1 month ago

(5² X 5⁵)÷ 51¹⁰ = ? plz ans fast...

English, 3 months ago

9. Write a story (20-25 sentences) using your imagination about a magic power you have got. What is the power? How will you use it? Use the graphic organiser below to write down the ideas for your creative story. (10 marks) Topic Setting description Setting Character description Character...

Social Sciences, 3 months ago

wbo is the father of nation...

Math, 10 months ago

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series. Queen, Aqua, Pique, Torque, Antique, ? A) Squad B) Quadrilateral C) Prerequisite D) Queue...

Math, 10 months ago

If N = 0.369369369369... and M = 0.531531531531..., then what is the value of (1/N) + (1/M)? A) 11100/2419 B) 111/100 C) 1897/3162 D) 2419/11100...

Math, 10 months ago

Select the odd word/letters/number/number pair from the given alternatives. A) 79 B) 59 C) 53 D) 75...