Question

sin 10° sin 20° sin 30°
cos 80' cos 70° cos 60°​

Answer 1

Answer:

Sorry I didn't know answer of this question

Answer 2

$\Huge\bf\maltese{\underline{\green{Answer}}}\maltese$

$\implies$$\large\bf{\underline{\red{VERIFIED✔}}}$

$=> ( \frac{ \sqrt{3} }{2})( \frac{ \sqrt{3} }{2}) + ( \frac{1}{2})( \frac{1}{2})\\\\=> \frac{ \sqrt{3} \times \sqrt{3} }{4} + \frac{1}{4}\\\\=> \frac{3 + 1}{4}\\\\=>\frac{4}{4}\\\\=>1$

• I Hope it's Helpful My Friend.