Question

Show that sin² 45° = sin 90° × sin 30°

Answer 1

REFER THIS ATTACHMENT

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#THE GREAT SHREYA ❤️

Answer 2

Answer:

L.H.S= sin²45°

= (sin 45°)²

= (1/√2)²

= 1/2

R.H.S= sin 90° × sin 30°

= 1× 1/2

= 1/2

L.H.S= R.H.S

FORMULA—

THE VALUE OF sin45°= 1/√2

THE VALUE OF sin 90°= 1

THE VALUE OF sin 30°= 1/2