What is the general solution for cos(A)=0.4639 ?

The general solution for cos(A)=0.4639 is A=1.08840…+2pin,A=2pi-1.08840…+2pin

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cos(A)=0.4639

cos (A) = 0.4639

A = 1.08840 \dots + 2 πn, A = 2 π - 1.08840 \dots + 2 πn

Degrees

A = 62.36094 \dots^{\circ} + 36 0^{\circ} n, A = 297.63905 \dots^{\circ} + 36 0^{\circ} n

Solution steps

cos (A) = 0.4639

Apply trig inverse properties

cos (A) = 0.4639

General solutions for

cos (A) = 0.4639

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

A = arccos (0.4639) + 2 πn, A = 2 π - arccos (0.4639) + 2 πn

A = arccos (0.4639) + 2 πn, A = 2 π - arccos (0.4639) + 2 πn

Show solutions in decimal form

A = 1.08840 \dots + 2 πn, A = 2 π - 1.08840 \dots + 2 πn

csc (A) = \frac{9.43}{5}

cos (x) cos (3 5^{\circ}) = 1 - sin (x) sin (3 5^{\circ})

4 sin^{2} (x) + 2 sin (x) = 2, 0 \leq x \leq 2 π

3 tan (\frac{1}{3} x) = 8

1.6 5^{2} = 0.6 5^{2} + 1.7 7^{2} - 2 (0.65) (1.77) cos (A)

What is the general solution for cos(A)=0.4639 ?
The general solution for cos(A)=0.4639 is A=1.08840…+2pin,A=2pi-1.08840…+2pin