PLEASE ANSWER. THE . QUE.
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Answer:
1/5
Step-by-step explanation:
⇒ 5x = secB ; 5/x = tanB
⇒ 5²x² = sec²B ; 5²/x² = tan²B
⇒ 25x² = sec²B ; 25/x² = tan²B
We know, sec²A - tan²A = 1
⇒ sec²B - tan²B = 1
⇒ 25x² - 25/x² = 1
⇒ 25(x² - 1/x²) = 1
⇒ 5*5(x² - 1/x²) = 1
⇒ 5(x² - 1/x²) = 1/5
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