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OpenStudy (anonymous):
secAsinA / tanA + cotA = sin^2A
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OpenStudy (alekos):
I dont think theres a solution
OpenStudy (anonymous):
secAsinA / (tanA + cotA) =secAsinA /( sinA/cosA + cosA/sinA) = secAsinA( (sin^2A+cos^2A)/(sinAcosA) ) =secAsinA* (sinAcosA)/ (sin^2A+cos^2A) = sinA*sinA =sin^2A [ as secA cosA=1 and sin^2A+cos^2A=1 ]
OpenStudy (alekos):
Thanks matricked. i thought we were solving for A, but this a a prove LHS=RHS problem. no thanks to honai
OpenStudy (anonymous):
yw
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