If \( 0x, y\pi \) and \( \cos x+\cos y-\cos (x+y)=3 / 2 \), Then, \...
If \( 0x, y\pi \) and \( \cos x+\cos y-\cos (x+y)=3 / 2 \), Then, \( \sin x+\cos y= \)
\( \mathrm{P} \)
(a) \( \frac{1+\sqrt{3}}{2} \)
(b) \( \frac{1}{2} \)
W)
(c) \( \frac{\sqrt{3}}{2} \)
(d) \( \frac{1-\sqrt{3}}{2} \)
[JEE Main-2021 (February)]
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live
Other Videos By PW Solutions
| 2023-02-14 | In the following questions, a statement of assertion (A) is followe... |
| 2023-02-14 | An electric heater has heating coils \( \mathrm{A} \) and \( \mathr... |
| 2023-02-14 | In the following questions, a statement of assertion (A) is followe... |
| 2023-02-14 | Evaluate: \( \int \cos 2 x \ell n(1+\tan x) d x \)
\( \mathrm{P} \)
W |
| 2023-02-14 | Column-I contains \( S \) and Column-II gives last digit of \( S \).
(A) \( S=\sum_{n=1}^{11}(2 ... |
| 2023-02-14 | A 6 volt battery of negligible internal resistance is connected acr... |
| 2023-02-14 | An electric heater has heating coils \( A \) and \( B \), when coil... |
| 2023-02-14 | Evaluate: \( \int \sqrt{\frac{\operatorname{cosec} x-\cot x}{\opera... |
| 2023-02-14 | рд╕реНрд╡рд╛рдпрддреНрдд рддрдВрддреНрд░рд┐рдХрд╛ рддрдВрддреНрд░ рдХрд┐рд╕рдХреЗ рдКрдкрд░ рдирд┐рдпрдВрддреНрд░рдг рд░рдЦрддрд╛ рд╣реИ
(A) рдкреНрд░рддрд┐рд╡рд░реНрддреА рдХреНрд░рд┐рдпрд╛рдУрдВ рдкрд░
(B) рдХрдВрдХрд╛рд▓реАрдп рдкреЗрд╢рд┐рдпреЛ... |
| 2023-02-14 | If \( \tan 2 \theta \tan \theta=1 \), then the general value of \( ... |
| 2023-02-14 | If \( 0x, y\pi \) and \( \cos x+\cos y-\cos (x+y)=3 / 2 \), Then, \... |
| 2023-02-14 | The emf \( \varepsilon \) and the internal resistance \( r \) of th... |
| 2023-02-14 | A source emits sound waves of frequency \( 1000 \mathrm{~Hz} \). The source moves to the right w... |
| 2023-02-14 | In a series of polaroids placed in such a way that optical axis of ... |
| 2023-02-14 | In YDSE setup when white light is used then which of the following ... |
| 2023-02-14 | A circle passes through the points \( (-1,1),(0,6) \) and \( (5,5) \). The point \( (\mathrm{s})... |
| 2023-02-14 | Which of the following would have
\( \mathrm{P} \) the highest oxyg... |
| 2023-02-14 | Match the following techniques or instruments with their usage.
Se... |
| 2023-02-14 | Evaluate the following limit, if exists
EW
\[
\lim _{x \rightarrow ... |
| 2023-02-14 | Whenever antibiotics are prescribed it is also advised to consume v... |
| 2023-02-14 | Let \( P, Q, R, S \) be the feet of the perpendiculars drawn from a point \( (1,1) \) upon the l... |
0