What is the general solution for 64cos^2(θ)=49,(0<= ,θ<= 360) ?

The general solution for 64cos^2(θ)=49,(0<= ,θ<= 360) is No Solution for θ\in\mathbb{R}

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64cos^2(θ)=49,(0<= ,θ<= 360)

64 cos^{2} (θ) = 49, (0^{\circ} \leq, θ \leq 36 0^{\circ})

No Solution for θ \in R

Solution steps

64 cos^{2} (θ) = 49, (0^{\circ} \leq, θ \leq 36 0^{\circ})

Solve by substitution

cos (θ) = \frac{7}{8}, cos (θ) = - \frac{7}{8}

cos (θ) = \frac{7}{8}, (0 \leq, θ \leq 36 0^{\circ}) :

No Solution

cos (θ) = - \frac{7}{8}, (0 \leq, θ \leq 36 0^{\circ}) :

No Solution

Combine all the solutions

No Solution for θ \in R

y, x = 4 sec (y)

0 = 4 cos (3 θ)

sin (θ) = \frac{3}{5}, sin (2 θ)

x, \frac{1}{6} = cos^{2} (x)

tan (x) + ∣ tan (x) ∣ = 1, - 2 π \leq, x \leq 2 π

What is the general solution for 64cos^2(θ)=49,(0<= ,θ<= 360) ?
The general solution for 64cos^2(θ)=49,(0<= ,θ<= 360) is No Solution for θ\in\mathbb{R}