Question

5tan²A-5 sec²A+1 find the vlaue
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Answer 1

• Explanation
• -(-5tan^2 A + 5sec ^2 A - 1)
• -( 5sec^2 A - 5tan ^2 A - 1)
• -(5(sec^2A - tan^2 A) - 1) ^2 A - 5tan ^2 A - 1) { using the formula sec^2 A- tan^2 A = 1}
• -(5(1)-1)
• -4