Question
If sin3A = cos(A-26), then what is the value of A? Given
that 3A is an acute angle.Solution
Always remember that sin & cos are compliment to each other So sin ɵ = cos( 90-ɵ) So it is given that sin3A = cos(A-26) Hence 3A + A-26° = 90° So 4A-26° = 90° or 4A =90°+26° =116 or A =
= 29°
What is the total number of work hours reported by employees in the Sales department?
What will come in the place of question mark in the given expression?
√(16 2 + 3 of 11) + 21% of 300 = ? 2 of 5
The set of all bijective functions from a finite set A to itself forms:
A car travels 300 km at a speed of 60 km/h and another 200 km at a speed of 80 km/h. Find the approximate average speed of the car for the entire journey.
A rectangular park is 120 m long and 80 m wide. A path of uniform width is constructed inside the park. If the area of the path is 3600 m², find the wi...
In the question, two equations I and II are given. You have to solve both the equations to establish the correct relation between x and y and choose the...
X, Y, and Z entered into a partnership with initial investments of Rs. (M + 2500), Rs. 3M, and Rs. (4M - 20000), respectively. After 6 months, W joined ...
A trader buys 400 shares of a company at Rs. 80 each, paying 1% brokerage on the purchase value. The company declares a dividend of 12% on the face valu...
Solve log₂(x–1) + log₂(x+3) = 3.
The difference between the lengths of two parallel sides of a trapezium is 12 cm. The perpendicular distance between these two parallel sides is 60 cm. ...
