Find the value of the following :- `{:((a)sin((pi)/(6)),(b)cos ((pi)/(4))), ((c)tan((pi)/(3)), - YouTube
=\cos(a)&line2=\mathrm{Solution:\:}\mathrm{True} "prove sin(pi/2+a)=cos(a)")
prove sin(pi/2+a)=cos(a)
If ` cos A sin(A-(pi)/6)` is maximum , when the value of A is equal to `(pi)/(lambda )`, t - YouTube
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&line2=\mathrm{Solution:\:}-\sin(a) "sin(pi+a)")
sin(pi+a)
![Prove that cos [π/4-A] cos [π/4-B]-sin[π/4-A]sin[π/4-B]=sin[A+B] - Brainly.in](https://hi-static.z-dn.net/files/d77/3d4783d30d742768643a4e8fa74283ed.jpg "Prove that cos [π/4-A] cos [π/4-B]-sin[π/4-A]sin[π/4-B]=sin[A+B] - Brainly.in")
Prove that cos [π/4-A] cos [π/4-B]-sin[π/4-A]sin[π/4-B]=sin[A+B] - Brainly.in
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If `A+B+C=pi` then prove that `sin(A/2)+sin(B/2)+sin(C/2)-1=4sin((pi-A)/4) sin((pi-B)/4)sin((pi-... - YouTube
Ex 2.2, 20 (MCQ) - Find sin (pi/3 - sin-1 (-1/2)) - Class 12 NCERT
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