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Prove that sin²a + cos²a = 1 and = (1)/(cos^(2)a ) + tan²a (a not alpha)

Prove that sin²a + cos²a = 1 and = (1)/(cos^(2)a ) + tan²a (a not alpha)
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Prove that sin²a + cos²a = 1 and =
(1)/(cos^(2)a ) + tan²a (a not alpha)

Prove that sin²a + cos²a = 1 and = (1)/(cos^(2)a ) + tan²a (a not alpha)-example-1
asked
User AlDiablo
by
8.0k points

1 Answer

2 votes

Answer:


(1)/(cos^2a )= tan^2 a

Explanation:

Explanation:-

Given sin²a + cos²a = 1

and


(1)/(cos^(2) a) \\= (sin^2a+cos^2a)/(cos^2a) \\ \\\\ = (sin^2a)/(cos^2a) +(cos^2a)/(cos^2a)

= tan²a + 1



answered
User Sharri
by
7.4k points
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