Math, asked by bharat5293, 9 months ago

cosA+cos3a+cos5a+cos7a

Answers

Answered by desi42

2

Answer:

cosA+cos3a+cos5a+ccos7a

=== cos(a+3a+5a+7a)

=== cos16a

hope it is helpful..

Previous Question

Next Question

Similar questions

English, 5 months ago

why did the narrator wants forget the address ...

Geography, 5 months ago

Identify which one is the true portrait of Earth? (1)Big sized globes, which cannot be carried easily just like Earth (A big heavy celestial body) (ii) Small pocket-sized globes (iii) Globe-like balloons, easy to carry ones (iv)Maps, the depiction of the earth on paper...

Sociology, 5 months ago

what the next you will do right you leave the house for college?

Math, 9 months ago

In fig, AB=AC and angle ACD=120 degree.find angleA...

Math, 9 months ago

-2x+3y=6 comparing the value a,b,c...

Geography, 11 months ago

Concept of land use planning and its necessity in indian context...

Business Studies, 11 months ago

Concept of communication and its process according to models...

Computer Science, 11 months ago

Which devices are used to transmit data over telecommunications lines?