Write a suitable C Program to accomplish the following tasks.

Task $1$: Use the predefined functions in $C$ to do the following.

Exponential of $5$

Square root of $625$

Cosine $3$

Sin$0$

Round $9\mathrm{.}2$

$a^b,$ let the user enter a and $b$

If $cl=13\mathrm{.}0,d=3\mathrm{.}0$ and $f=4\mathrm{.}0,$ find the square root of the following equation $cl+\frac{d}{f}.$

$16\mathrm{.}5\%3\mathrm{.}2$

Task $2$: Design a function to find the factorial of a number entered by user.

$e.g.44**3**2**1$

$66**5**4**3**2**1$

$2$

$[]$

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