Test : Trigonometric Functions And Identities - 8 - Mathematics MCQ

The values of θ lying between θ = 0 and θ - π/2 and satisfying the equation :

 If sin^-1 x. + sin^-1(l -x) = cos^-1 x then x will be equal to

The equation 2cos²x² + x/6 2^x + 2^-x has:

The general solution of the equation : sin x + cos x = 1 is given by

The general solution of the equation sin x - 3sin 2x + sin3x = cos x-3 cos2x + cos3x is:

If the function f[x) = sin^-1 (x² - 3), then x belongs to:

From the top of a light house 60 meters high with its base at sea level, the angle of depression of a boar is 15°. The distance of the boat from the foot of the light house is :

If cot x = √3 and cosec x = 2, which one of the following is correct?

Which of the following statements is possible?

If cos A + cos B - 4 sin² C/2, then the sides of the triangle ABC are in

The general solution of the equation tan²θ - 2√3 tanθ = 1 is given by:

The value of  is equal to

As x increases from 0 to 2π the function 2 sin²x + sin x cos x - 4sin x - 2cos x becomes zero

The equation 3 cos θ + 4 sin θ = 6 has

 If cos (A - B) = 3/5 and tan A tan B = 2 ten:

 If θ is a small positive number, then:

log tan 1° log tan2° log tan3°....log tan 89° is equal to: