Function Expression :
\[f(x)=sin x+2sin(x+90 ) \]Domain
\[]-\infty ;+\infty [ \]Limits
\[\lim_{x \rightarrow-\infty}f(x) = \left\langle -3, 3\right\rangle \]\[\lim_{x \rightarrow+\infty}f(x) = \left\langle -3, 3\right\rangle \]
\[ \]
Derivate
\[f^{\,\prime}(x)=\cos{\left(x \right)} + 2 \cos{\left(x + 90 \right)} \]\[f^{\,\prime}(x)=\cos{\left(x \right)} + 2 \cos{\left(x + 90 \right)} \]
\[ \]
Integral
\[F(x) = - \cos{\left(x \right)} - \frac{4}{\tan^{2}{\left(\frac{x}{2} + 45 \right)} + 1} \]Sign Table
Variation Table
Plot
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