Math, asked by yukkeshyuke2172, 1 year ago

If cosA = 2/5 find the value of 4+ 4 tan2 A

Answers

Answered by Hasti152002

2

Cos a=2/5
Seca=5/2
Now,
4+4tan2=4(1+tan2)=4sec2a=(5/2)2=25/4

Answered by nlavanya

2

here is ur answer.....

Attachments:

Previous Question

Next Question

Similar questions

Science, 7 months ago

o what we is the hair in you | your nostrils f...

Biology, 7 months ago

while observing internal parts of plants how do you feel about its structure and functions...

Math, 7 months ago

using appropriate properties. find This is my question...

Math, 1 year ago

A copper wire when bent to form of a square encloses an area of 212 cm2. If the same wire is bent into a form of circle , find the area of the circle...

English, 1 year ago

What do you think about Mr. Mark Antony as a most honourable person?

Chemistry, 1 year ago

Osmosis is a special kind of diffusion. Comment.

Environmental Sciences, 1 year ago

write up about the achievements of India between 2002 and 2012 in the fields of information technology,farming or industrialisation...

Hindi, 1 year ago

Vigyan hanikarak kyu hai...