Math, asked by kellukanivasumathi, 5 months ago

find the value of cos(-3π/4) with explanation

Answers

Answered by ujjukothari

0

Answer:

The exact value of cos3π4 is

the cosine ratio is xr=-1√2=-√22. JEE Main could be held 4 times a year from 2021 to reduce the student's examination stress.

Step-by-step explanation:

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