Question
Simplify the following trigonometric expression:
sin 2A + sin 2BSolution
sin X + sin Y = 2sin [(X + Y) /2] cos [(X - Y) /2]
So, sin 2A + sin 2B = 2sin (A + B) cos (A - B)
Statements: J @ K, K $ L, L & M, M % N
Conclusions: I. K @ MÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â II. N & J
...Statement: M < N ≤ O = P, Q ≥ O ≤ R ≤ Z
Conclusion: I. Q > MÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â II. Z > M
...In the following question, the statement is followed by two conclusions. Which of the two conclusions is/are true?
Statement: N < P > I < Q > S =...
Statements : T % W % B $ I @ LÂ
Conclusions :Â
I. B * TÂ
II. L © BÂ
III. L * T
Statements: D ≥ E > F; G < H ≤ F; H > I
Conclusions:
I. D > H
II. I < E
 III. F > I
Statements: A @ Z, Z # L, L % N, N @ U
Conclusions:
I. A @ N
II. Z @ U
III. A # L
Statements: L > M > Z ≥ S < R = O < N
ConclusionÂ
I. N ≥ L                Â
II. L > S
...Statements: S > U ≥ V = X, Y < M < X, Y = T ≥ W
Conclusions:
I. S > Y
II. M ≤ U
III. W < XStatements: I ≥ J ≤ K = L ≤ M; G ≤ H < I; M ≤ N < O ≥ P
Conclusions:
I. M < H
II. N ≥ J
III. M ≥ H
Statements: B > A = D ≥ C = I ≥ H > E > F > G
Conclusions:
I. C ≥ E
II. E > C
III. A ≥ D