If secA+cos is equal to 2 then sin^a+tan^A is how much value
jishnu , 6 Years ago
Grade 11
10 grade maths> If secA+cos is equal to 2 then sin^a+tan^...
1 Answers
ANIKET RAJ
Last Activity: 6 Years ago
secA=1/cosA
1/cosA+cosA=2
you should know that any expression a+1/a>=2 min value =2
so cosA=1,,A=0*
now sin2A+tan2A=(0)2+notdefined
so,answer=not defined
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