If 0 ≤ θ ≤ 90°, and sin(2 θ +50°) = cos (4 θ + 16°), then what is the value of θ (in degrees)?
If α means +, β means -, ɣ means x, θ means ÷ then 30 θ 10ɣ 5α 10β20 is
If cot x = (5/8), then find the value of 7cosx
tan 20˚ x tan 23˚ x tan 67˚ x tan 70˚ = ?
If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
If SecA + TanA = 2√2 + 9, then find the value of Sin A + Cos A.
If A + B = 450 , then the value of 2(1 + tanA) (1 + tanB) is:
