5 sec² A - 5 tan² A + 1 is equal to _________
Answers
Answered by
7
Step-by-step explanation:
5(sec^2-tan^2)+1
=5(1)+1
=5+1
=6
Answered by
1
5 tan² A – 5 sec² A + 1 = - 4
Given :
5 tan² A – 5 sec² A + 1
To find :
The value
Formula :
sec² A – tan² A = 1
Solution :
Step 1 of 2 :
Write down the given expression
The given expression is
5 tan² A – 5 sec² A + 1
Step 2 of 2 :
Simplify the given expression
5 tan² A – 5 sec² A + 1
= - 5 ( sec² A – tan² A ) + 1
= ( - 5 × 1 ) + 1
= - 5 + 1
= - 4
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