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Value of cos 270° and how …

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Value of cos 270° and how it is ??

Posted by Dheeren Tulsiani 7 years, 7 months ago

CBSE > Class 10 > Mathematics

11 answers

Hitesh Dobariya 7 years, 7 months ago

Galti se mistake ho jati hai

Hitesh Dobariya 7 years, 7 months ago

It's OK chill devil

Ishita Rawat 7 years, 7 months ago

Koi na devil

Devil D 7 years, 7 months ago

Mana ek bar pad tha but yad nahi a rha tha

Devil D 7 years, 7 months ago

Galti ho gyi yar maf kar do

Devil D 7 years, 7 months ago

Ha me galat hu

Hitesh Dobariya 7 years, 7 months ago

Kya devil kyu wrong answer de rahe ho???

Upasna Sharma 7 years, 7 months ago

Can u explain how it is so plz bahi

Ishita Rawat 7 years, 7 months ago

You will learn more about in class 11

Ishita Rawat 7 years, 7 months ago

It is 1 .... Because cos 270= cos (180+90) ... Cos 180 = -1 , in this case cos will be negative. Thus cos 270 = -1 × -1 = 1 ...

Devil D 7 years, 7 months ago

0

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Few rules to keep homework help section safe, clean and informative.

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