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If sin x = 0.3 , what is the value of cos x

If sin x = 0.3 , what is the value of cos x
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4 votes
If sin x = 0.3 , what is the value of cos x

User Simon Woolf
by
7.6k points

2 Answers

7 votes
sin²(x)+cos²(x) =1
(0.3)²+cos²(x) =1
cos²(x) =1- (0.3)²
cos²(x) =1- 9/100
cos²(x) = 91/100
cos(x) = ± (91/100)
cos(x) = ± 0.91
User Yanni
by
8.1k points
4 votes

Answer: 0.95

Explanation:

User RichieRock
by
8.0k points
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