Web29 aug. 2024 · Let cot –1 (–5/12) = y. Then cot y = -5/12. ← Prev Question Next Question ... Find the value of sin(1/2cot^-2(3/4)) asked Nov 8, 2024 in Sets, relations and functions by Raghab (50.8k points) inverse trigonometric functions; jee; jee mains; 0 votes. 1 answer. Prove that cot(π/4 - 2cot^-1(3)) = 7. Web28 aug. 2024 · Sin A = ½ … (1) We know that, … (2) To find the value of cos A. We have the equation, sin2 θ +cos2 θ =1 So, cos θ = √ (1-sin2 θ) Then, cos A = √ (1-sin2 A) … (3) cos2 A = 1-sin2 A cos A = √ (1-sin2 A) Substituting equation 1 in 3, we get, cos A = √ (1-1/4) = √ (3/4) = √3/2 Substituting values of sin A and cos A in equation 2, we get
Find the value of sin 2cot^–1 (–5/12) - Sarthaks
Web25 mrt. 2024 · Sin A = 1/2 To find : The value of sec A, cosec A. Solution : The value of sin A is given as 1/2. we have to find the value of A. from the trigonometric table, The value of A for which the sin value is 1/2 is 30°. Therefore, the value of A is 30°. The value of cos 30°= √3/2. sec A = sec 30° It is known that the value of sec A = Then Web22 mrt. 2024 · If sin A + sin 2 A = 1, then the value of the expression (cos 2 A + cos 4 A) is (A) 1 (B) 1/2 (C) 2 (D) 3 This video is only available for Teachoo black users Subscribe Now Get live Maths 1-on-1 Classs - Class 6 to 12. Book 30 minute class for ₹ 499 ₹ 299. Transcript. Question ... butterflies and moths of missouri
If cosec θ + cot θ = 5/2, then the value of tan θ is - Sarthaks ...
WebAnswer (1 of 5): First let me clear the basics if tan a= tan b. Then a and b are related as a =n * pi + b Coming back to the question, if tan a equals cot a then tan a = tan (pi/2 — a) Using the first said relationship a = n* pi + (pi/2 —a) on simplifying it a = n*pi/2 + pi/4 Plugging in int... Web4 feb. 2024 · If sin2 A =1/2 tan2 45º where A is an acute angle, then find the value of A. LIVE Course for free. Rated by 1 million+ students ... If sin 2 A =1/2 tan 2 45º where A is an acute angle, then find the value of A ... Without using tables, evaluate, (sec^2 54º-cot^2 36º)/(cosec^2 57º-tan^2 33º)+2sin^2 38º.sec^2 52º-sin^2 45º ... Web4 feb. 2024 · sin 2A = 2 sin A cos A and sin 20 ∘ = K, then the value of cos 20∘ cos 80∘ cos 160∘ sin 2 A = 2 sin A cos A and sin 20 ∘ = K, then the value of cos 20 ∘ cos 80 ∘ … butterflies and moths nic bishop