Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\csc 10 - \sqrt { 3 } \sec 10 ^ { \circ } = 4$$

Verify

$\text{false}$

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