Math, asked by suchitradivakar, 2 months ago

find the value of cos480°

Answers

Answered by udaisingh7177

0

cos480 = cos (360+120) = cos120 = cos(180-60)

Now, cos(180-60) = - cos60 = -1/2 Ans.

Previous Question

Next Question

Similar questions

Environmental Sciences, 1 month ago

WHICH STATE IN INDIA HAS MANY PEOPLE MORE THAN THE AGE OF 60 YRS?

English, 1 month ago

What is the figure of speech in O Death! What do you want of me ?

Physics, 1 month ago

a 2 kg cart has a momentum of 16 kg-m/s. what is its velocity...

Math, 2 months ago

answer will be 343/1331 plz tell how...

English, 2 months ago

2. Do not return (clause) ...

Math, 10 months ago

The cost of 2 kg of apples and 1 kg of grapes on a day was found to be rs 240. After a month, the cost of 4 kg of apples and 2 kg of grapes is rs 500.and it's geometrical representation...

Science, 10 months ago

10 examples of thermoplastic...

English, 10 months ago

what was the outcome of the Einstein marraige...