Math, asked by nimoz102, 1 year ago

lim x tends to 0 sinmx/tannx

Answers

Answered by nehatwinpdyyqc
0

Answer:

lim

x

0

 

tan

x

sin

x

=

1

Explanation:

Plugging in  

0

right away yields  

tan

(

0

)

sin

(

0

)

=

0

0

,

an indeterminate form, so we must simplify.

Recall  

tan

x

=

sin

x

cos

x

.

So,

lim

x

0

 

tan

x

sin

x

=

lim

x

0

 

sin

x

cos

x

sin

x

=

lim

x

0

 

sin

x

cos

x

sin

x

=

lim

x

0

 

sec

x

=

sec

0

=

1

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