What is the general solution for tan(-y)=0.9 ?

The general solution for tan(-y)=0.9 is y=-0.73281…-pin

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tan(-y)=0.9

tan (- y) = 0.9

y = - 0.73281 \dots - πn

Solution steps

tan (- y) = 0.9

Apply trig inverse properties

- y = arctan (0.9) + πn

Solve

- y = arctan (0.9) + πn : y = - arctan (0.9) - πn

y = - arctan (0.9) - πn

Show solutions in decimal form

y = - 0.73281 \dots - πn

cos (θ) = 3 sin (θ)

arctan (x + 1 x - 1) + arctan (x - 12) = arctan (2)

sin (α) = \frac{1}{4}

3 cos^{2} (3 x) - \frac{9}{4} = 0

4 sin (θ) - 1 = 0

What is the general solution for tan(-y)=0.9 ?
The general solution for tan(-y)=0.9 is y=-0.73281…-pin