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‘in counter’ should be replaced with ‘to counter’. The preposition ‘in’ is incorrect and should be replaced with ‘to’. Usually if the verb ‘need’ is followed by another verb, ‘to’ is used after ‘need’.
Find the value of `1/2` cosec 10 - `2/(cosec 70)` ?
If 2cosA + secA = 2√2 , 0° < < 90°, then the value of 2(sec 4 A + cosec 4 A) is:
What is the value of [(tan 5θ + tan 3θ)/4 cos 4θ (tan 5θ – tan 3θ)]?
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
From a point 50 meters away from the base of a tower, the angle of elevation of the top of the tower is 30°. Find the height of the tower.
Find the value of (cos 60 º + sin 60 º) /(tan 60 º + cot 45 º) .
If SecA + TanA = 2√2 + 3, then find the value of Sin A + Cos A