plzzzzzz solve this
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plzzzzzz solve this
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Step-by-step explanation:
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Answer:
sec^2 30° - tan^2 60° + sin 30°
= (2/✓3)^2 - (✓3)^2+1/2
= 4/3- 3+1/2
=( 4×2-3×6+3)/6
=(8-18+3)/6
= -7/6 ans