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sabika13
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How do I solve this using identity:
cos^2x/(1+2sinx3sin^2x) = (1+sinx)/(1+3sinx)
 2 years ago
 2 years ago
sabika13 Group Title
How do I solve this using identity: cos^2x/(1+2sinx3sin^2x) = (1+sinx)/(1+3sinx)
 2 years ago
 2 years ago

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Libniz Group TitleBest ResponseYou've already chosen the best response.2
let sin (x) be b
 2 years ago

sabika13 Group TitleBest ResponseYou've already chosen the best response.0
i have to use trig identities tho^
 2 years ago

Libniz Group TitleBest ResponseYou've already chosen the best response.2
(1+2sinx3sin^2x) 1+2b3 b^2 = (1+3b)(1b)
 2 years ago

Libniz Group TitleBest ResponseYou've already chosen the best response.2
cos^2x use identiry sin^2(x)+cos^2(x)=1 cos^2=1sin^2(x)>1b^2 1b^2=(1+b)(1b)
 2 years ago

Libniz Group TitleBest ResponseYou've already chosen the best response.2
(1+b)(1b)  (1+3b)(1b) (1b) cancels leaving (1+b)  (1+3b) remember b=sin(x) 1+
 2 years ago
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