Find \( \tan 15^{\circ} \) and hence show that \( \tan 15^{\circ}+\...

Channel:
PW Solutions
Subscribers:
458,000
Published on ● Video Link: https://www.youtube.com/watch?v=zrlNNaycETE


Duration: 5:16
3 views
0

Find \( \tan 15^{\circ} \) and hence show that \( \tan 15^{\circ}+\cot 15^{\circ}=4 \).
W
W
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-14Prove that : \[ \frac{\sin (B-C)}{\cos B \cos C}+\frac{\sin (C-A)}{...
2023-02-14If \( \theta-\phi=\frac{\pi}{4} \), prove that : \[ (1+\tan \theta)...
2023-02-14If \( \theta+\phi=45^{\circ} \), prove that \( (\cot \theta-1)(\cot...
2023-02-14Water rises to a height \( h \) in a capillary tube of cross-sectional area \( A \). The height ...
2023-02-14Find the maximum and minimum values of : \[ 15 \cos \theta-8 \sin \...
2023-02-14लिटमस प्राप्त होता है (A) लाइकेन से (B) शैवाल से (C) कवक से (D) प्रोटोजोआ से
2023-02-14The position vector \( \vec{r} \) of a particle of mass \( m \) is given by the following equati...
2023-02-14Prove that : \[ \begin{array}{r} \sin \left(40^{\circ}+\theta\right...
2023-02-14A particle of mass \( m \) is moving along side of a square of side \( a \) , with a uniform sp...
2023-02-14Evaluate : \( \sin ^{2}\left(15^{\circ}+\mathrm{A}\right)-\sin ^{2}...
2023-02-14Find \( \tan 15^{\circ} \) and hence show that \( \tan 15^{\circ}+\...
2023-02-14A ring of mass \( M \) and radius \( R \) is rotating with angular speed \( \omega \) about a fi...
2023-02-14A horizontal circular platform of radius \( 0.5 \mathrm{~m} \) and mass \( 0.45 \mathrm{~kg} \) ...
2023-02-14Prove that: \[ \cos 130^{\circ} \cos 40^{\circ}+\sin 130^{\circ} \s...
2023-02-14A thin ring of mass \( 2 \mathrm{~kg} \) and radius \( 0.5 \mathrm{~m} \) is rolling without sli...
2023-02-14Write down the values of : \[ \cos 70^{\circ} \cos 10^{\circ}+\sin ...
2023-02-14Write down the values of : \[ \cos 68^{\circ} \cos 8^{\circ}+\sin 6...
2023-02-14Prove that: \[ \sin 105^{\circ}+\cos 105^{\circ}=\frac{1}{\sqrt{2}}...
2023-02-14In Column I, a uniform bar of uniform cross-sectional area under the application of forces is sh...
2023-02-14Prove that: \[ \cos 105^{\circ}+\cos 15^{\circ}=\sin 75^{\circ}-\si...
2023-02-14If \( \cot \mathrm{A}=\tan (n-1) \mathrm{A} \), show that one value...


Tags:
pw