Cos^2A(tan^2A+1)=1
Prove this trigonometric identifed
Answers
Answered by
0
Answer:
Step-by-step explanation:
LHS
= Cos^2A(tan^2A+1)
= Cos^2A(Sin^2A/Cos^2A +1 )
= Cos^2A(Sin^2A + Cos^2A)/Cos^2A
= Sin^2A + Cos^2A
= 1
LHS=RHS=1
Proved
.....
Hope It helped.
Answered by
0
Identities applied :
i) sec²A=tan²A+1
ii) secA=1/cosA
=>sec²A=1/cos²A
Mark as Brainliest answer please ....
i) sec²A=tan²A+1
ii) secA=1/cosA
=>sec²A=1/cos²A
Mark as Brainliest answer please ....
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