Question
If cos2B = sin(1.5B + 27 o), then find the
measure of 'B'.ÂSolution
We know that, cosA = sin(90 o - A) cos2B = sin(1.5B + 27 o) Or, sin(90 o - 2B) = sin(1.5B + 27 o) Or, 90o - 2B = 1.5B + 27 o Or, 2B + 1.5B = 90 o - 27 o So, 3.5B = 63 o So, B = (63 o/ 3.5) = 18 o Hence, option c.
Statements: R @ D, D $ J, J # M, M @ K
Conclusions: Â Â Â Â Â I. K # JÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â II. D @ MÂ Â Â Â Â Â Â Â Â Â Â III. ...
Statements: K = L ≥ Q; P < R ≤ S = Q; T = U ≤ P
Conclusions:
I. K > R
II. T < QStatement: J > K; N < O ≤ L; N ≥ M > K
Conclusion:
I. N ≥ J
II. K < L
Statements: T < I = Q < U ≤ V; U > F; J = U ≤ E
Conclusions:
I. E > Q
II. V ≥ T
III. T < V
IV. F = T
...Statements: C > E > Y > U ≤ O ≥ P = V
Conclusion
I: O > E
II: U > C
Statements: E < S = F < G, H < A ≥ F ≤ B
Conclusion:
I. B > E
II. H ≤ GÂ
Statements: Â A % B & G % B; B # L & J; J @ K # S
Conclusions:
I. L @ K
II. A % K
III. S @ B
...In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...
In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and the...
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...