Math, asked by shivamjaiswal76, 9 months ago

( sin theta + cos theta)( sec theta + cosec theta) = 2 + sec theta. cosec theta

Answers

Answered by sandy1816

4

Step-by-step explanation:

(sin+cos)(sec+cosec)

=(sin+cos)(1/cos+1/sin)

=(sin+cos)(sin+cos/sincos)

=(sin+cos)²/sincos

=1+2sincos/sincos

=seccosec+2

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