−133cos(β)=−68\displaystyle -{133}{\cos{{\left(\beta\right)}}}=-{68}−133cos(β)=−68
Preview Question 6 Part 1 of 4 *
*single trig ratio, equal to a constant (as a fraction)
r.a.=\displaystyle {r}.{a}.=r.a.=
β=\displaystyle \beta=β=Preview Question 6 Part 3 of 4 where k∈Z\displaystyle {k}\in{Z}k∈Z
orβ=\displaystyle {\quad\text{or}\quad}\beta=orβ=Preview Question 6 Part 4 of 4 where k∈Z\displaystyle {k}\in{Z}k∈Z
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