Question
Directions: In each question below, word is used in four
different ways. Choose the option in which the usage of the word is INCORRECT or INAPPROPRIATE. (A) The wind finally dissipated the smoke. (B) The industrious people from Gujarat are dissipated over the whole of India. (C) The young sometimes seem to dissipate their energy in useless pursuits. (D) The dark clouds which threatened rain finally dissipated.Solution
Dissipate- (with reference to a feeling or emotion) disappear or cause to disappear. The word dissipate is incorrectly used in sentence B. In other sentence, dissipate is correctly used.
If sin (2x + 50) o = cos (2y - 50) o, such that, 0o < x + y < 90o, then find the value of tan(x + y) .
What is the value of sin(B – C) cos(A – D) + sin(A – B) cos(C – D) + sin(C – A) cos(B – D)?
If {(tanx)/(secx)} × cosx = (1/2), then determine the value of ‘sin2x’.
If sin θ + cos θ = 1.2, find the value of sin θ. cos θ.
- Calculate the value of sin120 o  + cos180 o  + tan225 o .
If cot A = 12/5, then the value of (sin A + cos A) × sec A is ________.
- Find the simplified value of the expression:sin 2 45 o  + sin 2 60 o  - (1/3) X tan 2 60 o
If tan² 45°- cos² 60° x sin 45° cos 45° cot 30°, then find the value of 'x'.
What is the simplified value of the given expression?
2(sin² 15° + sin² 75°) + 4sin 30° - (2sec 60° + cot 45°)
If sec a + tan a = 3, find the value of sin a.Â
