Question

if cos square theta =4/5,then sin square theta =​

Answer 1

Answer:

given

cos²¢=4/5

then sin²¢=?

here we can use identity

sin²¢+cos²¢=1

then

sin²¢=1-cos²¢

=1-4/5

=5-4/5

=1/5

hence, value of sin²¢=1/5

hope it helps

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