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If Tan A Tan B Are The Roots Of X2 Ax B 0 Then Sin 2 A B Is

If tan A and tan B are the roots of x2 – ax + b = 0, then the value... View Article

1) cot(2nα) 2) 2n tan(2nα) 3) 0 4) cot α Answer: (4) cot α Solution: We know that, cot θ... View Article

The value of expression (1/cos 290°) + (1/√3 sin 250°) is 1) √3/4 2) 4/√3 3) 2/√3 4) √3/2 Answer:(2)... View Article

The value of cos4(π/8) + cos4(3π/8) + cos4(5π/8) + cos4(7π/8) is 1) 0 2) 1/2 3) 3/2 4) 1 Answer:... View Article

If tan(x/2) = cosec x – sin x, then the value of tan2(x/2) is 1) 2 – √5 2) 2... View Article

sin 12° sin 48° sin 54° is equal to 1) 1/16 2) 1/32 3) 1/8 4) 1/4 Answer: (3) 1/8... View Article

When a compound is said to be “completely ionized”, it implies that all of its molecules have dissociated into ions... View Article

A proton has the ability to decay to a positron. It has been experimentally confirmed that the charges of the... View Article

No, butanal does not give a positive iodoform test. The only aldehyde that gives a positive iodoform test is acetaldehyde.

While performing indefinate integrals, the term ‘C’ is generally reffered to as the constant of integration. It does not arise... View Article

For a function f(x), the absolute maximum and the absolute minimum can be calculated in an interval [a,b] by following... View Article

The process of integration can be viewd as the reverse of differentiation. If the differentiation of a function f(x) yields... View Article

In the field of circuit analysis, a short circuit can be defined as a connection between any two nodes that... View Article

A function is said to be “increasing” when its y-value increases as the x-value increases.

The constant “pi” was first named in the 1706 by the Welsh mathematician William Jones. It is named after the... View Article

The four major categories of water include surface water, groundwater, wastewater, and stormwater. Surface water is the water that is... View Article

The derivative of a given function can be used to determine if the function is increasing or decreasing on any... View Article

To the power usually denotes an exponent. An exponent is an action in multiplication denoting the power to multiply a... View Article

The formula that can be used for calculating the circumference of a circle is: C= pi*d (or) C = 2*pi*r.... View Article

Hydrogen is known to make up a large chunk of the mass of the sun and of most stars. The... View Article