WebJun 3, 2024 · X=-1 We know that, (1)sin(90^circ-x)=sin(pi/2-x)=cosx (2)cos(90^circ-x)=cos(pi/2-x)=sinx (3)sinAcosB-cosAsinB=sin(A-B) We take, X=(sin 24° cos 6°-sin 6° sin 66°)/(sin 21° cos 39°- cos 51° sin 69°) "using" : (1) and (2) sin66^circ=sin(90^circ-24^circ)=cos24^circ cos51^circ=cos(90^circ-39^circ)=sin39^circ sin69^circ=sin(90^circ … WebCÂU HỎI KHÁC. Cho sina+cosa=\(5\over 4\). Khi đó sina.cosa có giá trị bằng: Biết sinα=√3/2và π/2; Cho cos a = m. Tính \(sin^2 {a \over 2}\)

Solved If Tan θ = (Cos 11 + Sin 11)/( Cos 11 – Sin 11) and θ - Chegg

Webthe value of cos 11°+sin11°\cos11°-sin11° - Brainly.in amanpatariyacool143 22.12.2024 … WebLHS= cos11+sin11/cos11-sin11. divide both numerator and denominator by cos11 = … cristina k

the value of cos 11°+sin11°\cos11°-sin11° - Brainly.in

WebJun 29, 2024 · LHS= cos11+sin11/cos11-sin11 divide both numerator and denominator by cos11 = 1+tan11/1- 1tan11 since tan 45=1 now we wil subtitute this value of 1 here in numerator =tan45+tan11/1-tan45tan11 (since it is the formula for tan (a+b)so) =tan (45+11) =tan56 Hope this helps y'all. Advertisement bhargav406 Answer is obtained as above … WebThe value of cos11 ∘−sin11 ∘cos11 ∘+sin11 ∘ is A tan 56 ∘ B tan 34 ∘ C cot 56 ∘ D tan 25 ∘ Medium Solution Verified by Toppr Correct option is A) Was this answer helpful? 0 0 Similar questions Solve: tan72 ∘cot18 ∘ Hard View solution > If tanθ= cos9 o−sin9 ocos9 o+sin9 … WebLHS= cos11+sin11/cos11-sin11. divide both numerator and denominator by cos11 = … cristina junqueira nubank linkedin