Sin^2 x + cos^2 30° = 5/4
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Answered by
1
Answer:
find x
Step-by-step explanation:
cos^2 30°=3/4
sin^2x=5/4-3/4
sin^2x=1/2
taking square root on both sides
sinx=1/√2
x=45°.... reason- sin45 is 1/√2
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