If sina 1/2 then cota
Web22 jan. 2024 · The value of $\left(sin^{2}7\frac{1}{2}^{0}+sin^{2}82\frac{1}{2}^{0}+tan^{2}2^{0}tan^{2}88^{0}\right)$ 5. A man walks 1 km on 1st day , 2 km on 2nd day , 3 km on 3rd day and so on . The total distance the man covers in 10 days is. 6. If sin8 θ + cos8 θ - 1 = 0, then what is the … Web29 mrt. 2024 · If 1+ sin2α = 3 sinα cosα, then values of cotα are (a) −1, 1 (b) 0, 1 (c)1, 2 (d) −1, −1 Get live Maths 1-on-1 Classs - Class 6 to 12
If sina 1/2 then cota
Did you know?
Web13 okt. 2024 · cos A, sin A, cot A are in geometric progression. Formula: If a, b, c are in GP, then b 2 = ac sec 2 A - tan 2 A = 1 Calculation: sin 2 A = cos A cot A ⇒ sin 2 A = cos A × (cos A/sin A) ⇒ sin 2 A × sin A = cos 2 A ⇒ sin 3 A = cos 2 A Divide by cos 3 A ⇒ sin 3 A/cos 3 A = cos 2 A/cos 3 A ⇒ tan 3 A = 1/cos A ⇒ tan 3 A = sec A Square on both sides Web5 jun. 2024 · Step-by-step explanation: sin A = 1/2 we know that sin²A + cos²A = 1 so cos²A= 1 - (1/2)² cos²A= 1 - 1/4 cos²A = 3/4 cosA= √3/√4 cosA= √3/2 Now, cotA = cosA/ …
Web8 mrt. 2024 · if sina+cosa=√2 then prove that tana+cota=2 If sinA+cosA=root 2 than find tanA +cotA If sinA + cosA = √2, then evaluate tanA + cotA. Web29 mrt. 2024 · Ex 8.1, 7 - Chapter 8 Class 10 Introduction to Trignometry (Term 1) Last updated at March 29, 2024 by Teachoo Get live Maths 1-on-1 Classs - Class 6 to 12. Book 30 minute class for ₹ 499 ₹ 299. Transcript. Show More. Next: Ex 8.1, 8 → Ask a doubt .
WebClick here👆to get an answer to your question ️ If sin A = √(3)2 , find the value of 2cot^2A - 1 . Solve Study Textbooks Guides. Join / Login. Question . ... If tan A = 2 − 1 then sin A … Web2 jun. 2024 · Other Questions. 1. A train is running at a speed of 116 kms/hr. The distance covered by the train in meters in 18 secs is. 2. If tan (θ - 30) = √3, θ is any angle then find the value of sinθ + cosθ.
Web4 jun. 2024 · Explanation: If sinA = 1 3 and 0 < A < 90 Then using sin2A +cos2A = 1 cos2A = 1 −sin2A = 1 − 1 9 = 8 9 Then cosA = ± √8 9 = ± 2√2 3 But if 0< A< 90, then the cosine is positive and cosA = 2√2 3 Answer link Alan N. Jun 4, 2024 cosA = 2√2 3 Explanation: Since 0 < A < 90o we know that ∠A is in the first quadrant.
Web30 mrt. 2024 · Question 25 (Choice - 1) - CBSE Class 10 Sample Paper for 2024 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards. Last updated at March 30, 2024 by Teachoo. If tanA=3/4 , find the value of 1/sinA +1/cosA Get live Maths 1-on-1 Classs - Class 6 to 12. Book 30 minute class for ₹ 499 ₹ 299. geoff freeman melbourneWeb21 okt. 2024 · If a varies directly as b, and if a = 12 when b = 33, then what is the value of a when b = 352? A. 968 B. 128 C. 78 D. 56 . Which of the following is an empty (null) set? {tiger, lion, puma, cheetah, leopard, … geoff downes wikiWebIf cosecA=2 then obtain the value of cotA+sinA/1+cosA Get the answer to this question by visiting BYJU S Q&A Forum. geoff clegg ltdWeb29 mrt. 2024 · Transcript. Question 28 If 1+ sin2𝛼 = 3 sin𝛼 cos𝛼, then values of cot𝛼 are (a) −1, 1 (b) 0, 1 (c)1, 2 (d) −1, −1 Now, 1 + sin^2𝛼 = 3 sin𝛼 cos𝛼 Putting 〖𝒔𝒊𝒏〗^𝟐𝜶 + 〖𝒄𝒐𝒔〗^𝟐𝜶 = 1 〖𝒔𝒊𝒏〗^𝟐𝜶 + 〖𝒄𝒐𝒔〗^𝟐𝜶 + sin^2𝛼 = 3 sin𝛼 cos𝛼 2 〖𝑠𝑖𝑛〗^2 ... geoff ousbeyWebdividing both side by sinA, 1+cotA= 2 c o t A = 2 − 1 Soumodeep Chatterjee 2 y sinA+cosA=√2cos (90-A) =>sinA+cosA = √2sinA => sinA/cosA +cosA/cosA = √2sinA/cosA (dividing both sides by cosA) =>tanA+ 1= √2tanA. (Since sinA/cosA = tanA) => tanA-√2tanA=-1 =>√2tanA-tanA=1 (multiplying both sides by -1) =>tanA (√2–1)=1 =>tanA=1/ … geoff pearson uomWeb24 aug. 2024 · Correct Answer - A Given, sinA= 1 2 1 2 ∴ cos A = √1 − sin2 A = √1 − ( 1 2)2 ∴ cos A = 1 - sin 2 A = 1 - ( 1 2) 2 = √1 − 1 4 = √ 3 4 = √3 2 = 1 - 1 4 = 3 4 = 3 2 [ ∴ sin2 … geoff mcbride doesn\u0027t that mean somethingWebExplanation for the correct option. Step 1: Find the value of A. Given that, sin A + cos A = 2. Divide both sides by 2 we have: ( sinA + cosA) 2 = 2 2 1 2 sinA + 1 2 cosA = 1. We know that, π π π π sin π 4 = cos π 4 = 1 2 and sin a + b = sinacosb + cosasinb. So we have. geoff martin robot 1