evaluate 4÷cotsquare 30+1÷sin square 60 -cos square 45
Answers
Answered by
1
Answer:
13/6
Step-by-step explanation:
(4/cot²30)+(1/sin²60)-cos²45
=4/(√3)²+1/(√3/2)²-(1/√2)²
=4/3+1/3/4-1/2
=4/3+4/3-1/2
=8/3-1/2
=16-3/6
=13/6
Answered by
5
hey
4÷cot^230°+1÷sin^260°-cos^245°
=4÷(root3)^2+1÷(root3/2)^2-(1/root2)^2
=4÷3+1÷3/4-1/2
=4+3/3÷3-1×2/4
=7/3÷1/4
=28/3
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