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9 sec square A - 9 tan square A =

Posted by Pihu ✨ 4 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Akshay Kumar 4 years, 11 months ago

9sec²A-9tan²A=9

1Thank You

Gaurav Seth 4 years, 11 months ago

A n s w e r

The value of 9sec²A-9tan²A =9

Step-by-step explanation:

The value of 9sec²A-9tan²A

= 9(sec²A-tan²A)

/* By Trigonometric identity:

= 9 ×1

= 9

Therefore,.

The value of 9sec²A-9tan²A =9

2Thank You

ANSWER

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CBSE > Class 10 > Mathematics