What is the general solution for cos(b)= 3/5 ?

The general solution for cos(b)= 3/5 is b=0.92729…+2pin,b=2pi-0.92729…+2pin

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cos(b)= 3/5

cos (b) = \frac{3}{5}

b = 0.92729 \dots + 2 πn, b = 2 π - 0.92729 \dots + 2 πn

Solution steps

cos (b) = \frac{3}{5}

Apply trig inverse properties

b = arccos (\frac{3}{5}) + 2 πn, b = 2 π - arccos (\frac{3}{5}) + 2 πn

Show solutions in decimal form

b = 0.92729 \dots + 2 πn, b = 2 π - 0.92729 \dots + 2 πn

arctan (1 - x) + arctan (1 + x) = arctan (\frac{1}{8})

5 sin (4 x) = 2

2 cos^{2} (x) - 3 \cdot sin^{2} (x) - 2 = 0

x, lo g_{10} (y) = arctan (x) + c

2 sin (x) = \frac{( 4 sin ( x ) - cos ( x ) )}{2}

What is the general solution for cos(b)= 3/5 ?
The general solution for cos(b)= 3/5 is b=0.92729…+2pin,b=2pi-0.92729…+2pin