150 seconds is >, <, or = 3 minutes
2 answers:
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Answer:
Step-by-step explanation:
A right angled ∆ is given to us and we need to find out the value of cos 45° ( with rationalized denominator ) . As we know that in a right angle ∆ , the value of cosine is ,
In the given triangle ,
- Value of base = 1
- Value of hypotenuse = √2
On substituting the respective values ,
For rationalizing the denominator , multiply numerator and denominator by √2 , we have,
Simplify ,
[/tex]
This changes to a mix fraction
3 [tex] \frac{5}{9}
This changes to a mix fraction
3 [tex] \frac{5}{9}