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Please give the solution of attached question .How we can find minimum and maximum value of these function.
Please give the solution of attached question .How we can find minimum and maximum value of these function.

```
2 years ago

```							let sinx=s and cosx=cwe know that c^12and s^2, s^4, s^6>=0adding these inequalities, we get(1 – c^12)+s^2+s^4+s^6>=0or (1+s^2)(1+s^4)>=c^12multiplying booth sides by c^2>=0,c^2*(1+s^2)(1+s^4)>=c^12*c^2or  (1 – s^2)(1+s^2)(1+s^4)>=c^14 (1 – s^4)(1+s^4)>=c^14 1 – s^8>=c^14or c^14+s^8or Aand as s^8, c^14>=0, adding we get s^8+c^12>=0so, 0
```
2 years ago
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