In a \( \triangle A B C \), if \( a^{2} \sin B=b^{2}+c^{2} \), then:
(a) \( \angle A \) is obtus... VIDEO
In a \( \triangle A B C \), if \( a^{2} \sin B=b^{2}+c^{2} \), then:https://bit.ly/YTAI_PWAP https://www.pw.live
Other Videos By PW Solutions 2022-10-28 If \( f(x)=x^{11}+x^{9}-x^{7}+x^{3}+1 \) and \( f\left(\sin ^{-1}(\sin 8)\right)=\alpha \), wher... 2022-10-28 The solution of the inequality \( \log _{1 / 2} \sin ^{-1} x\log _{1 / 2} \cos ^{-1} x \) is
(1)... 2022-10-28 \( \tan ^{-1}\left[\frac{\cos x}{1+\sin x}\right] \) is equal to
(1) \( \frac{\pi}{4}-\frac{x}{2... 2022-10-28 The value of \( \sin ^{-1}\left(\cos \left(\cos ^{-1}(\cos x)+\sin ^{-1}(\sin x)\right)\right) \... 2022-10-28 The value of the expression \( \sin ^{-1}\left(\sin \frac{22 \pi}{7}\right) \) \( \cos ^{-1}\lef... 2022-10-28 The number of solution of equation \( \sin ^{-1} x+n \sin ^{-1}(1-x) \) \( =\frac{m \pi}{2} \), ... 2022-10-28 If \( \left|\cos ^{-1}\left(\frac{1-x^{2}}{1+x^{2}}\right)\right|\frac{\pi}{3} \), then
(1) \( x... 2022-10-28 The number of solutions of the system of equations :
\[
\begin{aligned}
2 \sin ^{2} x+\sin ^{2} ... 2022-10-28 In \( \triangle A B C \), if \( \angle C=90^{\circ} \), then \( \frac{a+c}{b}+\frac{b+c}{a} \) i... 2022-10-28 Find the number of solutins of the equations
\[
(\sin x-1)^{3}+(\cos x-1)^{3}+(\sin x)^{3}=(2 \s... 2022-10-28 In a \( \triangle A B C \), if \( a^{2} \sin B=b^{2}+c^{2} \), then:
(a) \( \angle A \) is obtus... 2022-10-28 Paragraph for Question
Let \( A B C \) be a triangle inscribed in a circle and let \( l_{a}=\fra... 2022-10-28 Let \( \alpha, \beta \) are two real roots of equation \( x^{2}+p x+q=0, p, q \in R, q \neq 0 \)... 2022-10-28 Paragraph for Question
Let \( \angle A=23^{\circ}, \angle B=75^{\circ} \) and \( \angle C=82^{\c... 2022-10-28 The range of value's of \( k \) for which the equation \( 2 \cos ^{4} x-\sin ^{4} x+k=0 \) has a... 2022-10-28 If \( \{x\} \) denotes the fractional part of \( x \), then \( I=\int_{0}^{100}\{\sqrt{x}\} d x ... 2022-10-28 For a positive integer \( n \), let \( I_{n}=\int_{-\pi}^{\pi}\left(\frac{\pi}{2}-|x|\right) \co... 2022-10-28 The area defined by \( |y| \leq e^{-|x|}-\frac{1}{2} \) in cartesian co-ordinate system, is :
(a... 2022-10-28 Let \( H \) be the orthocenter of triangle \( A B C \), then angle subtended by side \( B C \) a... 2022-10-28 The solution of differential equation \( \frac{d^{2} y}{d x^{2}}=\frac{d y}{d x}, y(0)=3 \) and ... 2022-10-28 Let \( I=\int_{0}^{\pi} x^{6}(\pi-x)^{8} d x \), then \( \frac{\pi^{15}}{\left({ }^{15} C_{9}\ri...
0