Math, asked by pspradosh12345, 1 year ago

Solve it

COS80+COS40-COS20=0

Answers

Answered by sairajshetty
31
Hope the given answer helps you.....
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pspradosh12345: thank you
sairajshetty: your welcome..!!
Answered by abhiabhigna2020
1

Step-by-step explanation:

2 cos 60.cos20-cos20

2×1/2.cos20-cos20

= cos 20 - cos 20

=0

Hope this may helps u. thank u

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