If A,B are acute angle and sinA = cosB, then the value of A + B =?
1) 30° 2) 60° 3) 90° 4) 70°
If sinx + cosecx = 2, then (sin10x + cosec10x) is equal to:
(1) 3 (2) 0 (3) 1 (4) 2
If secø + tanø = 4, then sinø and cosø = ?
1) 2/17, 3/17 2) 15/17 , 8/17 3) 5 / 6 4) 7 / 6
If 2x = secq = and 2 / x = tanq, then find the value of 2(x2-1/ x2)
1) 0 2) 1 3) 2 4) 3
If tanθ = -1 then find the value of secθ + cosecθ / cosθ - sinθ
1) 0 2) 1 3) -Ö2 4) Ö2
(1 + tanθ + secθ) (θ+ cotθ – cosecθ) is equal to :
(1) 0 (2) 2 (3) 1 (4) –1