Example 49 Let f(x)= sin23 x – cos2" x and g(x)= 1+ tan |x |. 22 %3D Then, the number of values of x in interval [-10T, 20] satisfying the equation f(x)= sgn (g(x)), is 5a. Then, a is equal to

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Example 49 Let f(x)=sin23
x - cos22 x and g(x)=1+ tan|x|.
1
COS
-1
%3D
Then, the number of values of x in interval [-10t, 20T] satisfying the equation
f(x)= sgn ( g(x)), is 5a. Then, a is equal to
Transcribed Image Text:Example 49 Let f(x)=sin23 x - cos22 x and g(x)=1+ tan|x|. 1 COS -1 %3D Then, the number of values of x in interval [-10t, 20T] satisfying the equation f(x)= sgn ( g(x)), is 5a. Then, a is equal to
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