Question

evaluate sin30°×cos60°​

Answer 1

Step-by-step explanation:

sin 30° × cos60°

1/2 × 1/2

1/4.

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Answer 2

Question:

• Evaluate sin30° × cos60°

Answer:

To evaluate this question, first of all we need to learn trigonometry table. In that table, we can easily find the value of cos60° and sin30°.

Now,

According to trigonometry table,

• Value of sin30° = $\large{\sf{\frac{1}{2}}}$
• Value of cos60° = $\large{\sf{\frac{1}{2}}}$

Now,

We have to find sin30°×cos60°

so, we can write this as $\large{\sf{\frac{1}{2}×\frac{1}{2}}}$

HENCE,

sin30°×cos60°

=> $\large{\sf{\frac{1}{2}×\frac{1}{2}}}$

=> $\large{\sf{\frac{1}{4}}}$

Therefore,

$\large{\boxed{\sf{\green{sin30°×cos60°\:=\:\frac{1}{4}}}}}$