Question

Q.15) (Sin 30°+COS 60°) - (sin 60° + cos 30º) is equal to​

Answer 1

Answer:

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Step-by-step explanation:

Sin30°= 1/2

Cos30°= root 3/2

Sin60°= root 3/2

Cos 60° = 1/2

Now put the values

(1/2 + 1/2) - (root 3/2 + root 3/2)

1- root 3

Answer 2

Sin30°=1/2

Cos60°=1/2

Sin60°=√3/2

Cos30°=√3/2

(1/2+1/2)-(√3/2+√3/2)

(2/2)-(2√3/2)

(2-2√3/2)=2(2-√3)/2=1-√3