Question
If all the digits of the number 8748977569 are arranged
in decreasing order, then sum of 5 th and 6 th digits (from the left end) of the number thus formed, is ____.Solution
8 7 4 8 9 7 7 5 6 9 4 5 6 7 7 7 8 8 9 9 Required sum = 7 + 7 = 14
What is the value of cos75°?
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 tan θ + cot θ = 5, find the value of tan²θ + cot²θ.
Calculate the maximum and minimum value of (8cosA + 15sinA + 15), if 'q' lies in the first quadrant.

Find the maximum value of 14 sin A + 24 cos A.
The minimum value of 9 cos2 θ + 36 sec2 θ is
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- In a triangle ABC, if 5∠A = 3∠B = 15∠C, then find the value of cosA + sin(C + 10 ° )