Math, asked by marwan982, 6 months ago

what is the cos of infinity cos (infinity)=?????

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Answered by prittishsak2014
0

answer is between -1 and 1

since sin waves (sin comes after taking derivative of cosine) oscillate between 1 and -1

and the denominator becomes 1 after taking derivative

Step-by-step explanation:

apply L' Hospital's rule

that is find the derivative of both numerator and denominator and rewrite it

i am in 8th standard

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