prove that : tan⁴+tan²=sec⁴-sec²prove that
Answers
Answered by
20
tan⁴+tan²=sec⁴-sec²
L. H. S.
=> tan⁴ + tan²
=> tan² ( tan² + 1 )
=> tan²( sec² )
=> ( sec² - 1 )( sec²)
=> ( Sec⁴ - sec ² )
=> R. H. S.
L. H. S.
=> tan⁴ + tan²
=> tan² ( tan² + 1 )
=> tan²( sec² )
=> ( sec² - 1 )( sec²)
=> ( Sec⁴ - sec ² )
=> R. H. S.
krishna7599420:
areee sirr thanxx
Welcome. Not sir.
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It's OK.
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my pre board question
can you tell
Answered by
2
Answer:
Step-by-step explanation:
tan⁴+tan²=sec⁴-sec²
L. H. S.
=> tan⁴ + tan²
=> tan² ( tan² + 1 )
=> tan²( sec² )
=> ( sec² - 1 )( sec²)
=> ( Sec⁴ - sec ² )
=> R. H. S.
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