Mathematics: Let θ be an angle in quadrant iii such that cosθ=−3/5. find the exact values of cscθ and cotθ.

Let θ be an angle in quadrant iii such that cosθ=−3/5.

jakeisadog698

07.07.2022

2. Which of the following expressions is equivalent to 5 + 2(10 - 3)?

5 + 2(7) ☑70 - 3 5 + 20 - 3 7(10 - 3)

Explanation –

$\qquad$ $\twoheadrightarrow\sf 5 + 2(10 - 3)$

$\qquad$ $\twoheadrightarrow\sf 5 + 2 \times \underbrace{ ( 10-3)}$

$\qquad$ $\twoheadrightarrow\bf 5+\underbrace { 2 \times (7)}$

$\qquad$ $\twoheadrightarrow\sf \underbrace {5 + 14}$

$\qquad$ $\twoheadrightarrow\sf 19$

$\qquad$ $\red{\bf{ {Answer = \: \:5 + 2(7) }}}$

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