Math, asked by Abhiiverma8090, 8 months ago

Cos 30° X cos 60°- sine 30° X sine 60° - cos 90 ​

Answers

Answered by Kirti240404
0

Step-by-step explanation:

√3/2×1/2-1/2×√3/2-0

=√3/2-√3/2-0

=0

hope this helps you

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