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If cos A=4/5, then tan A=?

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If cos A=4/5, then tan A=?

Posted by Ashwini S 2 years, 8 months ago

CBSE > Class 10 > Mathematics

5 answers

Ambika Venkat 2 years, 8 months ago

3/4

Deepesh Kushmi 2 years, 8 months ago

Cos A=b/h=4/5 h(square)=b(square)+p(square) 5(square)=4(square)+p(square) P(square)=25-16=9 p=3 Sin A=p/h=3/5 tan A=sin A ÷cos A =(3/5)÷(4/5)=3/4

Harshit Arora 2 years, 8 months ago

3/4

Ronak Khurana 2 years, 8 months ago

3/4

Aryan Rajput 2 years, 8 months ago

3/4

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