Question

answer this question please
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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

LHS

• 1 /1+tan2a +1/1+cot2a. a equal to theatha

we know that 1+tan square a is equal to sec square a and 1 +cot square a is= to cosec squarea

= 1/ sec sq a + 1/cosec sq a

we also know that sec sq a= 1/cos sq a And cosec sq a = 1/sin sq a

= 1/1/cos sq a +1/1/sin sq a

= cos sq a +sin sq a

=1

we know that the ,

cos2 a +sin2 a = 1

therefore LHS=RHS

hence proved