If a line makes angles \( \alpha, \beta \) and \( \gamma \) with the coordinate axes, then \( \c.... VIDEO
If a line makes angles \( \alpha, \beta \) and \( \gamma \) with the coordinate axes, then \( \cos 2 \alpha+\cos 2 \beta+\cos 2 \gamma \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
Other Videos By PW Solutions 2024-01-22 If \( z=x+i y \) and \( 0 \leq \sin ^{-1}\left(\frac{z-4}{2 i}\right) \leq \frac{\pi}{2} \) then.... 2024-01-22 If \( \left|z_{1}\right|=\left|z_{2}\right|=1, z_{1} z_{2} \neq-1 \) and \( z=\frac{z_{1}+z_{2}}.... 2024-01-22 Let \( z \in C \) be such that \( \operatorname{Re}\left(z^{2}\right)=0 \), then.... 2024-01-22 Match the Column-I with Column-II
\begin{tabular}{|l|l|l|l|}
\hline \multicolumn{2}{|c|}{ Column.... 2024-01-22 If \( |z| \geq 5 \), then least value of \( \left|z-\frac{1}{z}\right| \) is.... 2024-01-22 If \( x, y, a, b \in R, a \neq 0 \) and \( (a+i b)(x+i y)=\left(a^{2}+b^{2}\right) \)
\( i \), t.... 2024-01-22 The number of Solution of \( z^{2}+|z|=0 \) is.... 2024-01-22 If \( x+i y=\sqrt{\frac{a+i b}{c+i d}} \), then \( \left(x^{2}+y^{2}\right)^{2}\left(c^{2}+d^{2}.... 2024-01-22 Match the statements/expressions in Column-I with the values given in Column II:
\begin{tabular}.... 2024-01-22 The number of complex numbers \( z \) such that \( (1+i) z \) \( =i|z| \).... 2024-01-22 If a line makes angles \( \alpha, \beta \) and \( \gamma \) with the coordinate axes, then \( \c.... 2024-01-22 Match the following lists.
\begin{tabular}{|c|c|c|c|}
\hline & List-I & & List -II \\
\hline (A).... 2024-01-22 \( \vec{a} \) and \( \vec{c} \) are unit vectors and \( |\vec{b}|=4 \) with \( \vec{a} \times \v.... 2024-01-22 The vectors \( a, b \) and \( c \) are equal in length and taken pairwise, make equal angles. If.... 2024-01-22 Let the unit vectors \( a \) and \( b \) be perpendicular and the unit vector \( c \) be incline.... 2024-01-22 Match the entries of Column-I with those of
Column-II.
\begin{tabular}{|l|l|l|l|}
\hline \multic.... 2024-01-22 If a vector \( \vec{r} \) satisfies the equation \( \vec{r} \times(\hat{i}+2 \hat{j}+\hat{k})=\h.... 2024-01-22 The position vectors of the points \( \mathrm{A} \) and \( \mathrm{B} \) with respect to \( \mat.... 2024-01-22 The position vectors of the points \( \mathrm{A} \) and \( \mathrm{B} \) with respect to \( \mat.... 2024-01-22 The volume of the tetrahedron whose vertices are the points with position vectors \( i-6 j+10 k,.... 2024-01-22 Match the items of Column-I with those in Column II.
\begin{tabular}{|l|l|l|l|}
\hline \multicol....
0