Math, asked by Sankalpparab937, 9 months ago

Sin0=4/5 find the value of cos0=?

Answers

Answered by amminenidillibabu

0

Answer:

cosx=

3

5

Use Trignometrical identity cosx =

√

1

−

sin

2

x

cos x =

√

1

−

16

25

=

√

9

25

=

3

5

to be the value in the first quadranr.

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