If sinA=2.571x, cosA=3.06x, and sin2A=3.939, find the value of x.
In 30 minutes, the hours hand of a clock turns through
In one hour, the minutes hand of a clock turns through
An arc AB of length of 5 cm is marked on a circle is marked on a circle of radius 3cm. The area of sector bounded by this arc and radii from A and B is
In 30 minutes, the minutes hand of a clock turns through
In an oblique triangle, a=25, b=16, angle C=94˚06’. Find the measure of angle A.
f the circumference of a circle is divided into 360 congruent parts, the angle sub- tended by one part at the center of the circle is called
Which of the following is true?
A ladder 5 meter long leans on a wall and makes an angle of 30˚ with the horizontal. Find the vertical height from the top to the ground.
If cosθ = 1/√2, then θ is equal to
The area of a sector of a circular region of radius r and the central angle of the sector θ radians is
If sin A=4/5 and A is in the second quadrant, sin B= 7/25 and B is in the first quadrant, find sin (A+B)
sin3θ/sinθ -cos3θ/cosθ =