Atul Kumar Chaudhary, a seasoned Indian Telecommunication Services officer, has taken over as the new Secretary of the Telecom Regulatory Authority of India (TRAI), succeeding V Raghunandan.
What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?
If sin 28° = 15/17 , then tan 62° = ?
...(cos5°+sin5°)/(cos5°-sin5°) is equal to:
Find the value of sin 30°.
If cos θ + sec θ = √2, then the value of cos³ θ+ sec³ θ is:
If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?
cos (sec-1 x) is equal to –
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.
If (5sinx - cosx) = 2√2sinx, then find the value of 'tanx'