Question

sin^ 2 30° + cos² 60°​

Answer 1

Answer:

sin² 30° + cos² 60°

sin 30° = 1/2

cos 60° = 1/2

⟹ { (\frac{1}{2}) }^{2} + {( \frac{1}{2}) }^{2}⟹(

2

1

)

2

+(

2

1

)

2

⟹ \frac{1}{4} + \frac{1}{4}⟹

4

1

+

4

1

⟹ \frac{1 + 1}{4}⟹

4

1+1

⟹ \frac{2}{4}⟹

4

2

⟹ \frac{1}{2}⟹

2

1

\boxed{∴ sin² \: 30° + cos² \: 60° = \frac{1}{2} }

∴sin²30°+cos²60°=

2

1

Answer 2

Answer:

1/2

Step-by-step explanation:

sin^ 2 30° + cos² 60°

(1/2)^2 + (1/2)^2

1/4 + 1/4

2/4

1/2

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