22% of 400 + √? = 34% of 800 - 25% of 400 88 +√? = 272 - 100 = 172 √? = 172 - 88=84 ? = 842 = 7056
If SecA + TanA = 2√2 + 9, then find the value of Sin A + Cos A.
If tan θ + cot θ = 2 where 0 < θ < 90 ; find the value of tan30 θ + cot 29 θ.
Find the slope of the equation : 12x + 4y = 28.
If cot2A = tan(A+6˚ ) , find the value of A? Given that 2A and A+6˚ are acute angles.
If 7sin² ϕ + 3cos² ϕ= 4, then find the value of ϕ ?
Solve for x in the interval [0, 2π]: 2 sin²x + 3 sinx - 2 = 0.
sin10˚ x sin20˚ x sin40˚ =?
If SecA + TanA = 2√2 + 3, then find the value of Sin A + Cos A
If sin θ + cos θ = 1.2, find the value of sin θ. cos θ.