Question

Sin30+cos45-cosec 30

Answer 1

Step-by-step explanation:

sin 30 =1/2

cos 45 =1/root2

cosec 30 =2

Now,

1/2+1/√2-2

1/√2 after rationalising is √2/2

now solving,

(1+√2)/2 -2

=(-3+√2)/2

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Answer 2

Answer:

1/2+1/route2-root 3/2

1 minus root 3 by 2 plus one by root 2

1 - root 3 + root 2 by 2 root 2