Math, asked by Akosoro, 11 months ago

What is the value of cos 840°

Answers

Answered by aakriti295

1

Answer:

i dont understand..........

Answered by anand041

1

Answer:

your answer is = -1/2

= 0.5

Previous Question

Next Question

Similar questions

Math, 6 months ago

15) Find the product :- (3a+ 5a -9) x ( 3a - 5)...

Science, 6 months ago

Scientist are trying to make use of hydrogen as a fuel. True or false...

Math, 6 months ago

what is the LCM of 6,15,25and30...

Physics, 11 months ago

radiation of wavelength 5400 angstrom falls on a metal surface whose worf function is 1.9eV. find the energy of photoelectron emitted and their stopping potential...

English, 11 months ago

the present batch of class 12th is about to bid farewell to the school and the students of class 11th are planning to host a farewell party to the outgoing students. As the vice head boy of your school, write a NOTICE for the student council class 11th to attend a meeting regarding the same. include, purpose,day,date,time. PLZ ANSWER ME FAST..

English, 1 year ago

what is meant by brimming...

Math, 1 year ago

find n if 2nc1 ,2nc2 and 2nc3 are in a.p.

Math, 1 year ago

Please answer this question...