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Grade: 10
        if sin4 theta + sin² theta = 1 then prove tan4 theta - tan² theta = 1
3 years ago

Answers : (2)

fdfds
11 Points
							
if sin4theta+sin2theta is 1 then from the eq we get sin4theta is cos2theta as sin square theta +cos square theta is 1.now  
 
 
3 years ago
sachin
85 Points
							
same as above but  x = 1+5..........................................................................................................
2 years ago
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