Question

evaluate sin45° cos45° - tan45°​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$\frac{ - 1}{2}$

I will tell you how it came.

Step-by-step explanation:

$sin {45}^{0} \: = \: \frac{1}{ \sqrt{2} } \\ cos {45}^{0} = \frac{1}{ \ \sqrt{2} } \\ tan {45}^{0} = 1$

$( \frac{1}{ \sqrt{2} } )( \frac{1}{ \sqrt{2}} ) - 1 \\ = \frac{1}{4} - 1 \\ = \frac{ - 1}{2}$

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