Please select a subject first
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The value of tan1° tan2° tan3° ... tan89° is ______.
Concept: undefined >> undefined
The value of cos1° cos2° cos3° ... cos179° is ______.
Concept: undefined >> undefined
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Which of the following is correct?
[Hint: 1 radian = `180^circ/pi = 57^circ30^'` approx]
Concept: undefined >> undefined
State whether the statement is True or False? Also give justification.
The equality sinA + sin2A + sin3A = 3 holds for some real value of A.
Concept: undefined >> undefined
State whether the statement is True or False? Also give justification.
Sin10° is greater than cos10°
Concept: undefined >> undefined
State whether the statement is True or False? Also give justification.
`cos (2pi)/15 cos (4pi)/15 cos (8pi)/15 cos (16pi)/15 = 1/16`
Concept: undefined >> undefined
State whether the statement is True or False? Also give justification.
One value of θ which satisfies the equation sin4θ - 2sin2θ - 1 lies between 0 and 2π.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
The collection of all months of a year beginning with the letter J.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
The collection of ten most talented writers of India.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
A team of eleven best-cricket batsmen of the world.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
The collection of all boys in your class.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
The collection of all natural numbers less than 100.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
A collection of novels written by the writer Munshi Prem Chand.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
The collection of all even integers.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
The collection of questions in this Chapter.
Concept: undefined >> undefined
Identify whether the following is set or not? Justify your answer.
A collection of most dangerous animals of the world.
Concept: undefined >> undefined
Let A = {1, 2, 3, 4, 5, 6}. Insert the appropriate symbol ∈ or ∉ in the blank space:
5 _____ A
Concept: undefined >> undefined
Write the following set in roster form:
A = {x : x is an integer and –3 ≤ x < 7}
Concept: undefined >> undefined
Write the following set in roster form:
B = {x : x is a natural number less than 6}
Concept: undefined >> undefined
Write the following set in roster form:
C = {x : x is a two-digit natural number such that the sum of its digits is 8}
Concept: undefined >> undefined
