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10. Solve the following equations a) Cos Ɵ = -1/2 b) -18 Sin Ɵ + 9 = 0

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1 answer:

Olenka [21]3 years ago

4 0

Answer:

what is cos and sin ?

Step-by-step explanation:

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Step-by-step explanation:

Given the expression

$\frac{5^2\times 5^{-4}}{5}$

Steps to solve the expression

$\frac{5^2\times 5^{-4}}{5}=\frac{5^{-2}}{5}$ ∵ $5^2\times \:5^{-4}=5^{2-4}$

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$\frac{5^2\times \:5^{-4}}{5}=\frac{1}{125}$

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