Trigonometry ques.........
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TheDk:
13/6
did you hear?
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Answered by
2
HELLO DEAR,
we know that:-
cot 30°=√3
sin60°=√3/2
cos 45°=1/√2
4/(cot²30°) + 1/(sin²60°)-cos²45°
=>4/(√3)² +1/(√3/2)²-(1/√2)²
=>4/3+ (1×4)/3 - 1/2
=>4/3 + 4/3 -1/2
=>2×(4/3)-1/2
=>8/3-1/2
=>(16-3)/6
=>13/6
I HOPE ITS HELP YOU DEAR,
THANKS
we know that:-
cot 30°=√3
sin60°=√3/2
cos 45°=1/√2
4/(cot²30°) + 1/(sin²60°)-cos²45°
=>4/(√3)² +1/(√3/2)²-(1/√2)²
=>4/3+ (1×4)/3 - 1/2
=>4/3 + 4/3 -1/2
=>2×(4/3)-1/2
=>8/3-1/2
=>(16-3)/6
=>13/6
I HOPE ITS HELP YOU DEAR,
THANKS
Its wrong dear
but how
U Cot30= √3
oo sorry
delete it
done
Hmmm! I posted in comments to question earlier
means
i commented the answer earlier itself
Answered by
1
Answer is in this attachment
hope it helps you !!!
hope it helps you !!!
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