What is the quotient of 0.72/-0.9

Ответ:

Bellzers8328

02.02.2022

Division is known as the opposite of multiplication just like subraction is the opposite of addition. It means splitting items into two equal parts to facilitate fair share. Quotient is the term use to describe the answer you got after dividing the dividend by the divisor. In this case 0.72 divided by -0.9 is equal to -0.8. It takes the negative form of the number since multiplying a positive and negative number, one must take the negative form as the final answer.

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Ответ:

yungkxng57

03.06.2020

Mathematics

$\dfrac{\sin a+2\cos a}{\sin^2 a+2\sin a \cos a} = \csc a$ working on the left-hand side as that's more complicated: $\text{lhs} = \dfrac{\sin a+2\cos a}{\sin^2 a+2\sin a \cos a}$ in the denominator, factor out sin a $\text{lhs} = \dfrac{\sin a+2\cos a}{\sin a\left( \sin a+2 \cos a\right)}$ we have a (sin a + 2 cos a) in both the numerator and denominator. they cancel each other out. $\begin{aligned} \text{lhs} & = \dfrac{\boxed{\sin a+2\cos a}}{\sin a\boxed{\left( \sin a+2 \cos a\right) } } \\ & = \frac{1}{\sin a} \end{aligned}$ by definition, csc a = 1/sin a so $\begin{aligned} \text{lhs} & = \csc a \\ & = \text{rhs} \end{aligned}$

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