Evaluate cos²30+sin²45-1/3tan²60+cos90
Answers
Answered by
3
root3/2^2 +1/root2^2-1/3*3+0
=3/4+1/2-1/1
3+2-1/4
4/4=1
=3/4+1/2-1/1
3+2-1/4
4/4=1
narayanakrishnathaku:
It is a wrong answer
Priya1357 there is a silly mistake the question is cos²30°+sin²45°-1/3tan²60°+cos90° =(√3/2)²+(1/√2)²-1/3(√3)²+0= 3/4+1/2-1/3(3)+0=3/4+1/2-1=3+2-4/4=5-4/4=1/4 is the answer hope it helps you
Answered by
2
1 is the answer to the question
there is a silly mistake the question is cos²30°+sin²45°-1/3tan²60°+cos90° =(√3/2)²+(1/√2)²-1/3(√3)²+0= 3/4+1/2-1/3(3)+0=3/4+1/2-1=3+2-4/4=5-4/4=1/4 is the answer hope it helps you
Similar questions