Question
If the ratio of the sides of a triangle is 3:4:5 and the
area of this triangle is 384 square centimeters, then what will be the perimeter of the triangle?Solution
Let the sides of the triangle is 3x,4x, and 5x. then 
Now perimeter of triangle = 3x+4x+5x =12x =12×8= 96cm
- If (sin 3A sec 6A = 1) , then what will be the value of cos 6A?
Find the value of sin(θ) if 2sinθ = tanθ, for 0 < θ < 90°.
sin2 12˚ + sin2 14˚ + sin2 16˚ + sin2 18˚ + ……… + sin2 78˚ =?
If 2x = cosec @ and 4/x = cot @ then the value of 2(x ² - 1/x ² ) is
Find the value of the given trigonometric expression:
(sin 40°cos 50° + cos²40°) × sin 30° + (cos 60°tan 45°) × sec 60°
...Find the maximum value of 14 sin A + 24 cos A.
Simplify (cos20°+sin 20°) /(cos20°-sin20°)
A man is standing at a point 40 meters away from a tower. The angle of elevation of the top of the tower from the point is 45°. After walking 20 meters...
If x tan 60° + cos 45° = sec 45° then the value of x2 + 1 is
If tan 4θ = cot 14θ, then find the value of cos 9θ.
