Question

1 + 10 theta whole square + 1 - 10 theta whole square is equal to 2 sec square theta​

Answer 1

Step-by-step explanation:

(1+tanθ)^2 + (1-tanθ)^2

=1+(tanθ)^2 +2tanθ+1+(tanθ)^2-2tanθ

=1+(tanθ)^2+1+(tanθ)^2

2(secθ)^2. {1+(tanθ)^2 = (secθ)^2}

Answer 2

Step-by-step explanation:

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