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sin(30∘)= ? \Large \sin \left(30^\circ\right) = \ ? sin(30∘)= ?
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cos(45∘)×cos(46∘)×cos(47∘)×…×cos(135∘)= ? \cos(45^\circ) \times \cos(46^\circ) \times \cos(47^\circ) \times \ldots \times \cos(135^\circ ) = \ ? cos(45∘)×cos(46∘)×cos(47∘)×…×cos(135∘)= ?
sinxcosxtanxcotxsecxcscx \huge \frac{\hspace{2mm} \frac{\hspace{2mm} \frac{\hspace{2mm} \frac{\hspace{2mm} \frac{\sin x}{\cos x}\hspace{2mm} }{\tan x}\hspace{2mm} }{\cot x}\hspace{2mm} }{\sec x}\hspace{2mm} }{\csc x}cscxsecxcotxtanxcosxsinx
Find the value of the above fraction tower if 0∘<x<90∘0^\circ < x < {90}^\circ0∘<x<90∘.
True or False?
sin−1(sinθ)=θ. \sin ^{-1} \left( \sin \theta \right) = \theta. sin−1(sinθ)=θ.
The domain of sinθ \sin \theta sinθ is all real numbers.
Calculate
9cot260∘+sec245∘−4sin90∘3tan230∘+csc245∘−tan45∘. \frac{ 9 \cot^2 60^\circ + \sec ^2 45 ^\circ - 4 \sin 90^\circ } { 3 \tan^2 30^\circ + \csc^2 45^\circ - \tan 45^\circ }. 3tan230∘+csc245∘−tan45∘9cot260∘+sec245∘−4sin90∘.
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