Math, asked by harsh212004, 11 months ago

7 sin square theta + 7 upon sec square theta is equals to 7 ​

Answers

Answered by rashmi141
9

Question-

prove that 7sin²x + 7/sec²x = 7

Answer-

to prove the question , solve L.H.S.

and prove equal to R.H.S.

L.H.S.

= 7sin²x + 7/sec²x

we know that 1/sec²x = cos²x

= 7sin²x + 7cos²x

7(sin²x + cos²x)

we again know that sin²x + cos²x = 1

= 7(1)

= 7

thanks

Answered by astutely
2

Answer:

here's your answer mate...

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