If \( \sin \theta+\cos \theta=\frac{1}{2} \), then \( 16(\sin (2 \theta)+\cos (4 \theta) \) \( \...

Channel:
PW Solutions
Subscribers:
456,000
Published on ● Video Link: https://www.youtube.com/watch?v=_qouaSRDPcw


Duration: 4:33
705 views
0

If \( \sin \theta+\cos \theta=\frac{1}{2} \), then \( 16(\sin (2 \theta)+\cos (4 \theta) \)
\( \mathrm{P} \) \( +\sin (6 \theta))= \)

WV
(a) 23
(b) \( -27 \)
(c) \( -23 \)
(d) 27
[JEE Main-2021 (July)]
πŸ“²PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-14When a nucleus in an atom undergoes a radioactive decay, the electr...
2023-02-14Tritium is an isotope of hydrogen whose nucleus Triton contains 2 n...
2023-02-14Triangle \( A B C \) is isosceles with \( A B=A C \) and \( B C=65 \mathrm{~cm} . P \) is a poin...
2023-02-14In a nuclear reactor, moderators slow down the neutrons which come ...
2023-02-14Heavy stable nucle have more neutrons than protons. This is because...
2023-02-14A uniform solid sphere of radius \( r \) is rolling on a smooth horizontal surface with velocity...
2023-02-14WV these lines intersect at the point \( Q \). Consider the ellipse whose center is at the origi...
2023-02-14Match the column Column - I (A) The foci of the hyperbola \( 12 x^{2}-4 y^{2}-24 x+32 y-127=0 \)...
2023-02-14STATEMENT-1 : In a triangle \( A B C \), the harmonic mean of the three exradii is three times t...
2023-02-14\[ \int \frac{(1+\cos x)}{(1-\cos x)} d x=? \] \( \mathrm{P} \) (a)...
2023-02-14If \( \sin \theta+\cos \theta=\frac{1}{2} \), then \( 16(\sin (2 \theta)+\cos (4 \theta) \) \( \...
2023-02-14A positively charged metal ring of radius \( R \) is fixed in the \...
2023-02-14The false statement in the following is (a) \( p \wedge(\sim p) \) is a contradiction \( \mathrm...
2023-02-14In a \( \triangle \mathrm{ABC} \), following relations hold good. In which case(s) the triangle ...
2023-02-14The common tangents to the circle \( x^{2}+y^{2}=2 \) and the parabola \( y^{2}=8 x \) touch the...
2023-02-14\[ \int \frac{\cos x}{(1+\cos x)} d x=? \] \( \mathrm{P} \) (a) \( ...
2023-02-14\( \int\left\{\frac{1-\tan \left(\frac{x}{2}\right)}{1+\tan \left(\...
2023-02-14\( \int_{0}^{100}\{x\} d x \), where \( \{x\} \) denotes the fracti...
2023-02-14According to Gauss's theorem in electrostatics, total electric flux...
2023-02-14\[ \int \frac{x^{2} \tan ^{-1} x^{3}}{\left(1+x^{6}\right)} d x=? \...
2023-02-14The statement among the following that is a tautology is (a) \( A \wedge(A \vee B) \) (b) \( B \...