Math, asked by KHUSHEEL, 11 months ago

sec²a (2sin²a+cos²a) = 2tan²a+1

Answers

Answered by spiderman2019

1

Answer:

Step-by-step explanation:

[1/cos²a](2sin²a+cos²a)

= 2sin²a/cos²a + cos²a/cos²a

= 2tan²a + 1

= R.H.S

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