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Sin10×cos80+sin80×cos10

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Sin10×cos80+sin80×cos10

Posted by Rahul Jangra 2 years, 7 months ago

CBSE > Class 12 > Mathematics

3 answers

Rishabh Baghel 2 years, 7 months ago

It is equal to 1.😀

Soni Supriya 2 years, 7 months ago

=>Sin10.cos80+sin80.cos10 => we know sin(A+B)= sinA.cosB+cosA.sinB => Sin(10+80) =>Sin(90) => 1 Ans--: 1

Himanshu Singh 2 years, 7 months ago

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