Grade 77 grade maths
please anser the question in imagelim x tends to 0 sinmx/tannxplease answer these too
please anser the question in image
lim x tends to 0 sinmx/tannx
please answer these too
1 Answer
roshan
Answer:
limx→0tanxsinx=1
Explanation:
Plugging in 0 right away yields tan(0)sin(0)=00, an indeterminate form, so we must simplify.
Recall tanx=sinxcosx.
So,
limx→0tanxsinx=limx→0sinxcosxsinx=limx→0sinxcosxsinx=limx→0secx=sec0=1
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