Question

The value of 7sin²A+7cos²A is A). 1 B) 7 C) 1/7 D) -1/7

Answer 1

Answer:

7

Step-by-step explanation:

7[(sinA)^2+( cosA)^2]

=7

Answer 2

Answer:

7

Step-by-step explanation:

=7sin^2 A + 7cos^2 A

=7(sin^2 A + cos^2 A)

{sin^2 +cos^2 =1}

=7(1)

=7

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