7. What is the sin(90-x)? A. 0.3 B. 0.6 C. 0.9 D. 0.4 E. 0.2 F. 0.5 after trying it my self I got .2 but I'm not sure

asked Jul 20, 2023 103k views

9 votes

7. What is the sin(90-x)?

A. 0.3
B. 0.6
C. 0.9
D. 0.4
E. 0.2
F. 0.5

after trying it my self I got .2 but I'm not sure

3.4k points

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7 votes

$\\ \sf\longmapsto sinx=(Perpendicular)/(Hypotenuse)$

$\\ \sf\longmapsto sinx=(4)/(5)$

$\\ \sf\longmapsto sin(90-x)$

$\\ \sf\longmapsto cosx$

$\\ \sf\longmapsto cos(4/5)$

$\\ \sf\longmapsto cos(0.8)$

$\\ \sf\longmapsto 0.99$

Peter Lucas answered Jul 26, 2023

3.1k points

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