3 years ago

Prove that: (1 + Tan²A) Cos²A = 1

Mathematics

1 answer:

Artyom0805 [142]3 years ago

6 0

Step-by-step explanation:

=(1+ sin^2 A/cos^2 A).cos^2 A

=[(cos^2 a+sin^2 a)/cos^2 a].cos^2 A

=[1/cos^2 a] . cos^2 a

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Prove that: (1 + Tan²A) Cos²A = 1​

Prove that: (1 + Tan²A) Cos²A = 1