Math, asked by vaishalibadwaik717, 5 months ago

If sin x=3/4 then cos x = ?

Answers

Answered by Unknown0708

3

Answer:

cos x = √7/4

Mark as brainliest pls

Answered by devjeetghosh4

0

Answer:

squaring both sides

sin ² x = 9 / 16

Step-by-step explanation:

1 - cos ² x = 9 / 16

- cos ² x = 9/ 16 - 1

- cos ² x = -16 + 9

16

- cos ² x = - 7 / 16

cos x = √7 / 4

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