Math, asked by saumya8953, 6 months ago

the value of sin²30 + cos²30 is

Answers

Answered by jyoti987com

0

Step-by-step explanation:

Sin² 30° - Cos² 30° = - (Cos² 30°- Sin² 30°) = - (Cos 2 × 30°) = - (Cos 60°) = - ½.

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