Q5 of 62 Page 73

Find the value of sin 75°

sin 75° = sin (30° + 45°)

we know, sin (x + y) = sin x × cos y + cos x × sin y


so, sin 75° = sin (30° + 45°)


sin 75° = sin 30° × cos 45° + cos 30° × sin 45°




∴


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