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3 secλ < secλ + secμ + sec∂ < 3sec∂ sir please tell me whyy it becomes 3seclambda
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Syllabus
a) 3 b) 4
c) 5 d) none of these
tan(3pi/11) + 4(sin(2pi/11) = root(11)
Q. If x+y=z, then cos2x+cos2y+cos2z-2cosx cosy cosz is equal to
(A) cos2z (B) sin2z (C) cos(x+y-z) (D) 1
Q. cos4x cos8x-cos5x cos9x=0 if
(A) cos12x=cos14x (B) sin13x=0 (C) sinx=0 (D) cosx=0
also. piec=pie radians.?
P.S the class is very interesting.Thank you.:)
find sin theta
Solution:-
3 secλ < secλ + secμ + sec∂ < 3sec∂
sir please tell me whyy it becomes 3seclambda
Q.3. Total number of ordered pairs (x, y) satisfying | y | = cos x and y = is equal to:
(A) 2
(B) 4
(C) 6
(D) 8