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हिंदी हिंदू हिंदुस्तान का नारा भारतेंदु हरिश्चंद्र ने दिया था।
If (1+sinθ)/cosθ = x, then find the value of secθ?
1.
If tan 2 α = 1 + 2tan 2 β, then find the value of √2cos α – cos β = ?
If sin(x + y) = 3/5 and cos(x - y) = 12/13, where x, y ∈ [0, π/2], find sin(2x) + sin(2y).
In a right triangle ABC, angle B = 90°. If tan A = 3/4 and the length of the hypotenuse is 25 cm, find the area of the triangle.
If sin3A = cos(5A-30°), then what is the value of A? Given that 3A is an acute angle.
Find the value of the following:sin(36° + A) × cos(54° – A) + cos(36° + A) × sin(54°–A)
The value of sec2 45˚ + 2 tan 135˚ is –
If sin α + cos β = 2 (0˚ ≤ β < α ≤ 90˚), then sin[(2α + β)/3] =?
If A lies in the first quadrant and 6 tan A = 5, then the value of 8 sin A−4 cos A / cos A+2 sin A is :