Math, asked by jyotimoun98, 6 months ago

ifcosx=1/2(a+1/a) prove that 2cos4x=a4+1/a4

Answers

Answered by sandy1816

3

Answer:

your answer attacted in the photo

Attachments:

Previous Question

Next Question

Similar questions

Math, 3 months ago

please answer this question 1+1 ...

Hindi, 3 months ago

it is only an innocent and quit mind that makes a...

Physics, 3 months ago

An object can have zero average velocity but cannot have zero avernge speed .Justify...

Science, 6 months ago

The first link in all food chains are (a) herbivores (b) carnivores (c) green plants (d) None of these...

Physics, 6 months ago

Physics question guys no spamming...

Math, 10 months ago

Viju jumped 3 metres,5 centimetres and Anju jumped 3 metres,60 millimetres,right?So who won?

Chemistry, 10 months ago

2chlro , 3methyl butanol structue...

English, 10 months ago

❎NO SCAM❎ Pls!!!! answer these question...