sec? 60° - tan260°
sinº30° + cos²30°
the right option and
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Step-by-step explanation:
if the math like following.
sec60-(tan^2)60*sin30-cos^2 30
then answer will be
2-(√3)^2*1/2-(√3/2)^2
=2-(3/2)-(3/4)
=(8-6-3)/4
=-1/4
=-0.25
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