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yan [13]
3 years ago
9

Sinx cosx tanx=1-cos^2x

Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0
Tan x = sin x/ cos x. Cos x cancels. Sin^2 x =1-cos^2 x (standard trig identity) 
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Step-by-step explanation:

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