What is the general solution for cot^2(a)=1 ?

The general solution for cot^2(a)=1 is a= pi/4+pin,a=(3pi)/4+pin

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cot^2(a)=1

cot^{2} (a) = 1

a = \frac{π}{4} + πn, a = \frac{3 π}{4} + πn

Solution steps

cot^{2} (a) = 1

Solve by substitution

cot (a) = 1, cot (a) = - 1

cot (a) = 1 : a = \frac{π}{4} + πn

cot (a) = - 1 : a = \frac{3 π}{4} + πn

Combine all the solutions

a = \frac{π}{4} + πn, a = \frac{3 π}{4} + πn

3 sec^{2} (x) - 4 = 0, 0 \leq x < 2 π

2 sec (θ) + 4 = 0

sin (x) = \frac{( 60 \cdot sin ( 15 5 ^{\circ} ) )}{97.72}

(1 - 2 cos (x)) (1 + sin (x)) = 0

3 cos (2 x) + 7 sin (x) - 5 = 0

What is the general solution for cot^2(a)=1 ?
The general solution for cot^2(a)=1 is a= pi/4+pin,a=(3pi)/4+pin