Question

Find the value of sin30° cos60°+ cos60° sin60°​

Answer 1

Answer:

sin30=1/2

sin60=root3/2

cos 60=1/2

then solutions

1/2*1/2+1/2*root3/2

1/4+root3/4

(root3+1)/4

Answer 2

Solution(By Examveda Team)

In Give Question,

A + B = 8 ---- (i)

A + C =13 -----(ii)

B + D = 8 ----(iii)

C - D = 6 ----(iv)

Therefore equation (i) and (iii) are equal

A + B = B + D

=> A = D

Therefore, equation (iv) can be C - A = 6 ----- (v)

Now solving equation (ii) and (v), We Get C = 9.5 and A = 3.5

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Put this value of A in equation in (i) B = 4.5 and value of C in equation (iv) we get D = 3.5

A = 3.5

B = 4.5

C = 9.5

D = 3.5

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