sin²30°-2cos²60°+3tan45°
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Answer:
Step-by-step explanation:
Given that:-
sin² 30° - 2 cos³ 60° + 3 tan⁴ 45°
=>(1/2)² - 2 (1/2)³ + 3 (1)⁴
=>1/4 - 2(1/8) + 3(1)
=>1/4 - 2/8+ 3
=> 1/4-1/4+3
=>0+3
=>3
sin²30°-2 cos³60°+3tan⁴45°=3
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