Math, asked by lollypop26, 1 year ago

what is formula for
2cosA.cosB

plz ans it guys it's urgent...

Answers

Answered by paulsayantani

2

Answer:

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

Answered by INDIANROCKSTAR

0

Answer:

refer the above attachment for your answer

Attachments:

Previous Question

Next Question

Similar questions

Math, 6 months ago

If the area of square is 18sq.cm. find perimeter...

Math, 6 months ago

Write v= a, e, I, o,u in set builder form ...

Social Sciences, 6 months ago

tribal dance short essay very shot this question points are 20 pls give me amswer faasst...

Math, 1 year ago

Write the unit place of square 168.

Science, 1 year ago

what would happen if high speed winds blow over a house having weak tin roof? Give reason.

Biology, 1 year ago

Where can baby frogs be found?

Biology, 1 year ago

Does a tail helps the tadpole swim?

Math, 1 year ago

The three solutions of the equation f(x) = 0 are -2, 0 and 3. Therefore, the three solutions of the equation f(x - 2) = 0 are...