English, asked by basumatarybinita, 6 months ago

express as sum or difference 2sin5×.sin7x

Answers

Answered by vineethk210

0

Answer:

-cos11x

Explanation:

2sinAxsinB=cos(a-b)-cos(a+b)

cos(5x-7x)-cos(5x+7x)

cos(-2x)-cos(9x)

-cos2x-cos9x

-(cos2x+cos9x)

-(cos11x)

-cos11x

please mark it as branliest

Previous Question

Next Question

Similar questions

Math, 3 months ago

Constant in 3xsquare minus 3...

English, 3 months ago

bi write a descriptive paragraph an Sonu Sood An angel who helped million during the pandemic in your own words in 100 160 ...

Biology, 3 months ago

connective tissue present around the brain...

English, 6 months ago

describe the beliefs...

Math, 6 months ago

!IMPORTANT! SIMULTANCOUS EQUATON 1st Solve: 10 a + 3 b = 12 3 a + 5 b = 20 2nd 9a + 2 b = 54 a + 2 b = 6 3rd 5 v + 3 w = 11 4 v + 6 w = 16 PLS ANSWER THIS WITH ONLY THE ANSWER AND I NEED IT FAST @allthesmartppl...

English, 1 year ago

Develop a story on the bank of a river-tree-patridge -saw-ant flowing in the river -Ant -help - patridge-leaf-placed -support -climbed dropped -land-patridge -afternoon nap-hunter stringed -bow -Ant bit -huntered cries-patridge -woke-flew angry...

Math, 1 year ago

What is the application of statistics and data science to baseball called?

English, 1 year ago

he asked to me, "do you know the way"?change into indirect...