Web31 mei 2024 · If A is an acute angle and sin A= cos A, find the value of : 2 tan² A + sin²A - 1 Advertisement himanshisahu0620 Answer: 3/2 Step-by-step explanation: given sinA= cosA we know that cosA=sinA when A=45° now putting A=45° =2 tan^45° + sin^2 45° -1 tan45°=1 and sin45°=1/√2 putting values =2*1 + (1/√2)^2 -1 =2+ (1/2) -1 =3/2 … Web9 jul. 2024 · If θ is an acute angle, and its is given that 5 sinθ + 12 cosθ = 13, then what is the value of tanθ? This question was previously asked in. ... sin θ = 5/13 and cos θ = …
If csc θ = 5 and θ is an acute angle, find: a. sin θ b. cos θ
Web29 mrt. 2024 · Ex 8.1, 6 If A and B are acute angles such that cos A = cos B, then show that A = B. cos A = (Side adjacent of angle A) / Hypotenuse = AC/AB Similarly, cos B = … Web15 sep. 2024 · If A and B are the complementary acute angles in a right triangle ABC, then the following relations hold: sinA = cos B sec A = csc B tanA = cot B. sinB = cos A sec B = csc A tanB = cot A. We say that the pairs of functions { sin, cos }, { sec, csc }, and { … foothills market lowville ny
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WebMath Calculus If Sin A = 3/5 and Sin B = 5/13 , where A and B are acute angles, find without using tables , the values of : a) Sin (A+B) , b) Cos (A+B) ans.: 56/65; 33/65, If Sin A = 3/5 and Sin B = 5/13 , where A and B are acute angles, find without using tables , the values of : a) Sin (A+B) , b) Cos (A+B) ans.: 56/65; 33/65, Question Web13 apr. 2015 · cosθ = adjacent hypotenuse tanθ = opposite adjacent So, as we are given cosA = 5 13, it means that in this specific right-angled triangle, the side adjacent to A = 5 and the hypotenuse = 13 Using … WebMath Trigonometry x is an acute angle. Find the value of x in degrees. cos (x) = 0.2 Write your answer as an integer or as a decimal rounded to the nearest hundredth. X = Submit x is an acute angle. Find the value of x … foothills marine inc