WebSolution Verified by Toppr Correct option is A) cosx+sinx= 21 Divide both sides by cosx 1+tanx= 2cosx1 Square both sides (1+tanx) 2= 4sec 2x (1+tan 2x+2tanx)4=sec 2x=1+tan 2x After simplification 3tan 2x+8tanx+3=0 D=d 2=b 2−4ac=64−36=28 d=±2 7 These are 2 … Web6 jun. 2016 · 1 Use the identities 1 + t a n 2 ( x) = s e c 2 ( x), 1 + c o t 2 ( x) = c o s e c 2 ( x) and the definitions of the reciprocal trig functions. This will give the answers up to an unknown sign, for which we need to known whether x is obtuse or acute. Share Cite Follow answered Jun 6, 2016 at 8:36 jugglingmike 373 2 8 Add a comment 1 Use:
If sin(x) = 1/2, what is cos(x) and tan(x)? Explain your ... - Cuemath
Web1 Explanation: Recall the identity cos2x = cos2x− sin2x . Applying it, we get cos2xcos2x−sin2x+ sin2x = cos2xcos2x = 1 More Items Examples Quadratic equation x2 − 4x − 5 = 0 Trigonometry 4sinθ cosθ = 2sinθ Linear equation y = 3x + 4 Arithmetic 699 ∗533 Matrix [ 2 5 3 4][ 2 −1 0 1 3 5] Simultaneous equation {8x + 2y = 46 7x + 3y = 47 … WebCorrect option is A) Let k=2tan −1(cosx)=tan −1(2cosecx) tan 2k=cosx and tank=2cosecx tank= 1−tan 22k2tan 2k = 1−cos 2x2×cosx = sin 2x2cosx= sinx2 ⇒tanx=1 ⇒x= 4π Solve any question of Inverse Trigonometric Functions with:- Patterns of problems > Was this answer helpful? 0 0 Similar questions The value of sin(2tan −1(1/3))+cos(tan −12 2) is … rochester general hospital credit union
If 1+2 (sinx+cosx) (sinx−cosx)=0 where 0 <360∘, then how many …
Web31 jan. 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket … WebIf sinx+cosx= 2, then sinxcosx is equal to A 1 B 21 C 2 D 2 E 21 Medium Solution Verified by Toppr Correct option is B) sinx+cosx= 2 ⇒(sinx+cosx) 2=( 2) 2 ⇒sin 2x+cos 2x+2sinxcosx=2 ⇒sinxcosx= 21 Video Explanation Was this answer helpful? 0 0 Similar questions cosA1−sinA is equal to Medium View solution > The value of the expression WebIf sinx+cosx= 2, then sinxcosx is equal to A 1 B 21 C 2 D 2 E 21 Medium Solution Verified by Toppr Correct option is B) sinx+cosx= 2 ⇒(sinx+cosx) 2=( 2) 2 ⇒sin 2x+cos … rochester general hospital bariatric