Geometry

Trigonometric Functions

Trigonometric Functions: Level 2 Challenges

         

sin(30)= ? \Large \sin \left(30^\circ\right) = \ ?

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 ) = \ ?

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}

Find the value of the above fraction tower if 0<x<900^\circ < x < {90}^\circ.

True or False?

sin1(sinθ)=θ. \sin ^{-1} \left( \sin \theta \right) = \theta.

The domain of sinθ \sin \theta is all real numbers.

Calculate

9cot260+sec2454sin903tan230+csc245tan45. \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 }.

×

Problem Loading...

Note Loading...

Set Loading...