Expansion cards are inserted

If tan A = 4/3, 0 ≤ A ≤ 90°, then find the value of sec A.

Find the maximum value of 25 sin A + 11 cos A.

If cos θ + sec θ = √5, then the value of cos³ θ+ sec³ θ is:

If cos2B = sin(1.5B + 48^o), then find the measure of 'B'.

tan 4˚ × tan 43˚ × tan 47˚ × tan 86˚ = ?

If sin(x + y) = 1 and sin(x - y) = (1/2), then what is the value of sinx cosx + 2sin²y + cos²y? 

If tanθ = (2/√5), then find the value of cos² θ

If tan 4θ = cot 14θ, then find the value of cos 9θ.

If x tan 60° + cos 45° = sec 45° then the value of x² + 1 is