Web15 apr. 2024 · If `tanA=-3/4` and `pi/2 lt A lt pi`, find the values of the following: i) `sinA/2` ii) `cosA/2`, iii) `tanA/2` asked Sep 19, 2024 in Mathematics by DivyanshuKumar ( 64.0k … WebQuestion Prove sinA1+cosA+ 1+cosAsinA =2cosec A Medium Solution Verified by Toppr L.H.S. = sinA1+cosA+ 1+cosAsinA = sinA(1+cosA)(1+cosA)(1+cosA)+sinAsinA = …
Cos 2A Formula - Proof and Examples - Mathemerize
WebFree Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Web1 apr. 2024 · ∣sinA+cosecA)2+∣cosA+secA∣2=7+tan2A+cot2A OR Prove that secθ(1−sinθ)∣secθ+tanθ)=1 . Viewed by: 0 students Updated on: Apr 1, 2024 1 student asked the same question on Filo Learn from their 1-to-1 discussion with Filo tutors. Still did not understand this question? Connect to a tutor to get a live explanation! Talk to a tutor … get copy of birth certificate portland oregon
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Web2 apr. 2024 · Prove that 1−sinA1+sinA =secA+tanA Prove that 1+sinAcosA+cosA1+sinA=2secA Viewed by: 0 students Updated on: Apr 2, 2024 1 student asked the same question on Filo Learn from their 1-to-1 discussion with Filo tutors. Still did not understand this question? Connect to a tutor to get a live explanation! Talk to a tutor … WebcosA = 1 − sin 2 A = 1 − ( − 5 13) 2 = 1 − 25 169 = = 144 169 = 12 13 Explanation: The value of cosA is taken positive because A lies in 4th quadrant and cosine is positive in 4th quadrant . We can find similarly sinB by the following identity : sinB = 1 − cos 2 A = 1 − ( − 4 5) 2 = 1 − 16 25 = 9 25 = 3 5 Explanation: Web7 apr. 2024 · Write the formula for nth term of aGP and explain each term in it. 10. Write the first three terms of G.P if a=1,r=41 11. Check whether 641,321,81,… is in GP Given reasons. 12. If cos0∘,sec45∘,Cosec30∘ are in GP then find common ratio. 13. Write GP, if the first term a =2 and common ratio r =−3 . 14. christmas meats oley