Web18 sep. 2024 · Best answer Given, We know that- cos x cos y + sin x sin y = cos (x – y) cos x sin y + sin x cos y = sin (x + y) and cos x cos y – sin x sin y = cos (x + y) By matrix multiplication, we have – ∴ From equation 2 and 3: P (x).P (y) = P (y).P (x) = P (x + y) ← Prev Question Next Question → Find MCQs & Mock Test JEE Main 2024 Test Series Webtan(x) = 1 tan ( x) = 1. Take the inverse tangent of both sides of the equation to extract x x from inside the tangent. x = arctan(1) x = arctan ( 1) Simplify the right side. Tap for more …
If sin 𝜃 + cos 𝜃 = √3, then prove that tan 𝜃 + cot 𝜃 = 1 - Teachoo
WebIf y = x sinx, then dy dx =? A. x sin x x cos x log x + sin x x. Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses. B. x sinx xcosxlogx + cos x x. ... y = x … Web11 apr. 2024 · Solution For If 1+2(sinx+cosx)(sinx−cosx)=0 where 0<360∘, then how many values does x take? The world’s only live instant tutoring platform. Become a tutor … dogfish tackle \u0026 marine
If sinx=cosx , then the value of x is? - Brainly.in
Webusing the above formula, we can write [math] (sin^2x)^3 + (cos^2x)^3 = (sin^2x + cos^2x) (sin^4x + cos^4x - sin^2xcos^2x) [/math] [math]= (1) ( (sin^2x)^2 + (cos^2x)^2 - sin^2xcos^2x) [/math] Now, [math]a^2+b^2 = (a+b)^2 -2ab [/math]. using this, [math]= ( (sin^2x + cos^2x)^2-3sin^2xcos^2x)= 1 - 3sin^2xcos^2x ---- (1) [/math] Web15 jun. 2024 · Click here 👆 to get an answer to your question ️ If y=(sin x)cos x then dy/dx=? ... y' = sinx (-sinx) + cosx ( cosx) = = cos2x. Advertisement Advertisement New questions in Math. 1) verty commutative property of multiplication: Web20 jan. 2024 · Best answer Correct Answer - 4 Since f (x) = K sin x + 2 cos x sin x + cos x f ( x) = K sin x + 2 cos x sin x + cos x is strictly increasing f (x) > 0f or allx f ( x) > 0 f or a l l x or k − 2 (sin x+ + cos x)2 > 0f or allx k - 2 ( sin x + + cos x) 2 > 0 f or a l l x or k − 2 > 0 or k > 2 k - 2 > 0 or k > 2 ← Prev Question Next Question → dog face on pajama bottoms