Prove that \[ \frac{\sec 8 A-1}{\sec 4 A-1}=\frac{\tan 8 A}{\tan 2 A} \]

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=qRAXys-0cuw


Duration: 4:13
1 views
0

Prove that
\[
\frac{\sec 8 A-1}{\sec 4 A-1}=\frac{\tan 8 A}{\tan 2 A}
\]
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-16Draw the energy level diagram for the line spectra representing Lyman series and Balmer series i...
2022-11-16A capacitor with initial charge \( q_{0} \) is discharged through a resistor. What multiple of t...
2022-11-16Assertion (A): Boron always forms covalent compounds. Reason (R): The small size of \( \mathrm{B...
2022-11-16A ball of mass \( m \) is suspended by a thread of length \( l \). With what minimum velocity ha...
2022-11-16Which of the following element is not found in a molecule of chlorophyll? (a) Magnesium (b) Zinc...
2022-11-16How many three-digit numbers can be formed without using the digits \( 0,2,3,4,5 \) and \( 6 ? \)
2022-11-16Fill in the blanks in each question.
2022-11-16अनुरूप सिग्नल किसे कहते हैं?
2022-11-16Thereare 5 letters and 5 directed envelopes. Thenumber of ways in which all the letters can be p...
2022-11-16State if the given pair of angles are coterminal. \[ -185^{\circ}, 535^{\circ} \]
2022-11-16Prove that \[ \frac{\sec 8 A-1}{\sec 4 A-1}=\frac{\tan 8 A}{\tan 2 A} \]
2022-11-16Differentiate the following expressions by aid of the foregoing rules: \( x^{3} \sin x, x^{3} e^...
2022-11-16Assertion (A): चतुषुफलकीय जटिल ज्यामततीय समावयवता दर्शा सकते हैं। Reason (R): चतुफ्फलकीय ज्यामित...
2022-11-16दिन में स्टोमेटा निम्न में से किसके कारण खुले होते हैं- (A) जल विभव में वृद्धि के (B) \( \mathrm...
2022-11-16Fill in the blanks in each question.
2022-11-16If the circles \( (x-a)^{2}+(y-b)^{2}=c^{2} \) and \( (x-b)^{2}+(y-a)^{2}=c^{2} \) touch each ot...
2022-11-16(i) Draw a ray diagram to show the formation of image by a convex lens when an object is placed ...
2022-11-16Assertion (A): Chlorophyll appears green. Reason (R): It absorbs light mainly in the region of g...
2022-11-16यह दावा किया जाता है कि यदि बिना किसी बाधा के 100 वर्षों तक दो सीज़ियम घड़ियों को चलने दिया जाए,...
2022-11-16Fill in the blanks in each question.
2022-11-16the expressions \( x^{2}-11 x+a \) and \( x^{2}-14 x+2 a \) have a common factor, then the value...