What is the general solution for cos(x)=-3/4 ,tan(x)is ?

The general solution for cos(x)=-3/4 ,tan(x)is is No Solution for x\in\mathbb{R}

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cos(x)=-3/4 ,tan(x)is

cos (x) = - \frac{3}{4}, tan (x) i s

No Solution for x \in R

Solution steps

cos (x) = - \frac{3}{4}, tan (x) i s

Apply trig inverse properties

cos (x) = - \frac{3}{4}

General solutions for

cos (x) = - \frac{3}{4}

cos (x) = - a \Rightarrow x = arccos (- a) + 2 πn, x = - arccos (- a) + 2 πn

x = arccos (- \frac{3}{4}) + 2 πn, x = - arccos (- \frac{3}{4}) + 2 πn

x = arccos (- \frac{3}{4}) + 2 πn, x = - arccos (- \frac{3}{4}) + 2 πn

Solutions for the range

tan (x) i s

No Solution for x \in R

cos (θ) = \frac{- 1}{3}

cos (2 x) + sin (x) = 4 sin^{2} (x)

- 2 sin^{2} (x) - 5 sin (x) = - 3

b, a = cos (- 1 (\frac{a}{a ^{2} + b ^{2}}))

(\frac{1}{2} sin (2 x))^{2} = \frac{1}{4} sin^{2} (4 x)

What is the general solution for cos(x)=-3/4 ,tan(x)is ?
The general solution for cos(x)=-3/4 ,tan(x)is is No Solution for x\in\mathbb{R}