Web1 Explanation: Recall the identity cos2x = cos2x− sin2x . Applying it, we get cos2xcos2x−sin2x+ sin2x = cos2xcos2x = 1 More Items Examples Quadratic equation x2 − 4x − 5 = 0 Trigonometry 4sinθ cosθ = 2sinθ Linear equation y = 3x + 4 Arithmetic 699 ∗533 Matrix [ 2 5 3 4][ 2 −1 0 1 3 5] Simultaneous equation {8x + 2y = 46 7x + 3y = 47 … Web5 feb. 2024 · If the expression [sin (x/2) + cos (x/2) - itan (x)]/ [1 +2isin (x/2)] is real, then the set of all possible values of is... . complex numbers jee jee mains 1 Answer +1 vote answered Feb 5, 2024 by Aksat (69.7k points) selected Feb 5, 2024 by Vikash Kumar Best answer Answer: x = 2nπ + 2α, α = tan-1k, where k ∈ (1,2) or x = 2nπ Explanation:
If sin x- sin y = (1/2) and cos x- cos y = 1, then tan(x - Tardigrade
Web6 jun. 2016 · Build a right angle triangle with sides of length $2$, $1$ and $\sqrt{5}$. Then you can find all quantities from the ... Use the identities $1 + tan^2(x)=sec^2(x)$, $1+cot^2(x)=cosec^2(x)$ and the definitions of the ... $\begingroup$ I got a different answer. for sinx I got 2√5/5 $\endgroup$ – happy glad. Jun 6, 2016 at 8:51 ... WebKCET 2013: If sin x- sin y = (1/2) and cos x- cos y = 1, then tan(x + y) is equal to (A) (3/8) (B) -(3/8) (C) (4/3) (D) - (4/3). Check Answer and Solu. KCET 2013: If sin x- sin y = (1/2) … greenacres shops
If sin sin x+cos x=cos cos x sin x, then the value of sin x can be
Web6 aug. 2024 · Cos (120°) Step-by-step explanation: cos (x) =-1/2=cos -60° cos60°=1/2 I. e cos (x) =-60° I. e cos -60° = cos 120° in 2nd quadrant I. e cos (x) = cos120° I. e x=120 ° Advertisement Still have questions? Find more answers Ask your question New questions in Math D. 07.2 days Q 41. Web11 apr. 2024 · Solution For If 1+2(sinx+cosx)(sinx−cosx)=0 where 0<360∘, then how many values does x take? Web1 mrt. 2016 · Expand (1 − cosx)2. = sin2x + 1 − 2cosx +cos2x sinx(1 − cosx) Apply the identity sin2x + cos2x = 1. = 2 −2cosx sinx(1 − cosx) Factor out 2 from the numerator. = 2(1 −cosx) sinx(1 − cosx) Cancel common terms from the … flower markets to visit in jaipur