Question
By my opinion it is better to cancel the trip during
this monsoon. Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select No improvement.Solution
The correct answer is B
If cos4 B - sin4 B =
A man observes the top of a tower at an angle of elevation of 30°. He walks 100 meters closer to the tower, and the angle of elevation becomes 60°. If...
What is the value of (1 - sin A)/(1 + Sin A) given that tan A = 5/12 and 0° ≤ A ≤ 90°.
- If sin (a + b) = (√3/2) and cos (a – b) = (√3/2), then find sin a.
The angle of depression of vertex of a regular hexagon lying in a horizontal plane, form the top of a tower of height 135 m located at the centre of the...
Simplify the following trigonometric expression:
10 cos 71° sec 19° − 4 cot 62° tan 28°If A lies in the first quadrant and 6 tan A = 5, then the value of 8 sin A−4 cos A / cos A+2 sin A is :
If sec x + tan x = 11 then find secx?
Solve for x in the interval [0, 2π]: 2 sin²x + 3 sinx - 2 = 0.
- If sin(A + B) = sinAcosB + cosAsinB, then the value of sin75° is