CBSE BOARD X, asked by anubhavkhanna2006, 6 months ago

( sec SQUARE theta - 1 ) ( cosec square theta -1)=1

Answers

Answered by palitsrikanta654Anu

0

Answer:

(Sec² theta -1) (cosec²theta -1)= tan²theta ×cot²theta. (as sec²theta =1+tan²theta & cosec²theta=1+cot²theta)

= tan²theta ×1/tan²theta=1

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