Question

value of (-41π/4) find value class 11​

Answer 1

Answer:

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Step-by-step explanation:

In mathematics, the irrational numbers are all the real numbers which are not rational numbers. That is, irrational numbers cannot be expressed as the ratio of two integers. ... Irrational numbers can also be expressed as non-terminating continued fractions and many other ways.

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Answer 2

Step-by-step explanation:

cos(360−x)=cosx

cos(−x)=cosx

4

41π

−2π⇒

4

33π

4

33π

−2π⇒

4

25π

⇒

4

17π

⇒

4

9π

4

9π

−2π⇒

4

π

cos(

4

π

)=cos(45)=

2

1