Question
Find the average of 7, 14, 21,
28.Solution
7, 14, 21, 28. total number =4 Sum of numbers =7+14+28+21=70 Average =70/4 =17.5

ABC is an isosceles triangle where AB = AC which is circumscribed about a circle. If P is the point where the circle touches the side BC, then which of ...
- Find the value of sin²10° + sin²80° + cos²15° + cos²75°.

If tan A = 1, then what will be the value of sec² A + cosec² A?
- If X = 15°, find the value of:
sin²(4X) + cos²(3X) - tan²(2X) - From the top of a tower, the angle of depression to the top of a man's head is 60°. The man is 4 feet tall and is standing 20 feet away from the base of t...
What is the simplified value of the given expression?
2(sin² 40° + sin² 50°) + 4sin 30° - (2sec 60° + cot 45°)
If cos² x + sin x = 5/4, then find the value of 'sin x'.
- If X = 15°, find the value of:
sin²(3X) + cos²(4X) - tan²(2X)