Web3 okt. 2024 · Best answer Given : 7 sin2 θ + 3 cos2 θ =4 ⇒ 7 sin2 θ + 3 (1– sin2 θ) = 4 [∵ sin2 θ + cos2 θ = 1] ⇒ 7 sin2 θ + 3 –3 sin2 θ = 4 ⇒ 4 sin2 θ = 4 – 3 ⇒ 4 sin2 θ = 1 ← … WebHello Studentswelcome to ssc mathon .As we know Continuous improvement and innovation is one of the key steps to success. This channel is dedicated to your ...
If 7 sin 2θ+3 cos 2θ=4, then sec θ+cosecθ is equal to - Byju
Web1 okt. 2024 · If each one likes at least one of these two games, then find the ratio between the number of people who like only cricket and the number of people who like only … Web29 apr. 2016 · Detailed Solution. Download Solution PDF. ⇒ 4sinθ – 3cosθ = 0. ⇒ 4sinθ = 3cosθ. ⇒ tanθ = 3/4. ∴ secθ = √ (1 + tan 2 θ) = √ (1 + 9/16) = √ (25/16) = 5/4. ∴ cosθ = … bysdn.com
03: Chapter 3 / Maths Examplar Problems (EN)
Web29 mrt. 2024 · Transcript. Question 3 If sin𝜃 = x and sin𝜃 = y , then tan𝜃 is (a) 𝑥𝑦 (b) 𝑥/𝑦 (c) 𝑦/𝑥 (d) 1/𝑥𝑦 Given 𝒔𝒊𝒏𝜽 = x And, sec𝜃 = y 1/cosθ = y 𝒄𝒐𝒔𝜽 = 1/𝑦 Now, 𝒕𝒂𝒏𝜽=sinθ/cosθ = 𝑥/ (1/𝑦) = 𝒙𝒚 So, the correct answer is (a) Next: Question ... Web29 mei 2024 · 1 How to prove : cos 3 2 θ + 3 cos 2 θ = 4 ( cos 6 θ − sin 6 θ) trigonometry Share Cite Follow edited May 29, 2024 at 12:26 Parcly Taxel 101k 20 109 190 asked May 29, 2024 at 12:24 Aayush Karna 79 5 Add a comment 4 Answers Sorted by: 4 Write cos 2 θ = x. We have x = 2 cos 2 θ − 1 = 1 − 2 sin 2 θ 1 + x 2 = cos 2 θ 1 − x 2 = sin 2 θ WebIf 7sin2θ + 3cos2θ = 4, 0 < θ < 900, then the value of (tan22θ + cosec22θ) is: यदि 7sin2θ + 3cos2θ = 4, 0 < θ < 900 है, तो (tan22θ + cosec22θ) का मान क्या होगा: (a)7 (b)13/3 (c)15/4 (d)13/4 9. If 2sinθ + 15cos2θ = 7, 0° < θ < 90°, then what is the value of ? यदि 2sinθ + 15cos2θ = 7, 0° < θ < 90° है, तो का मान क्या है? (a)1/4 (b)1/2 (c)5/8 … clothing repairs alterations