Answer:
sec²-2scθ+tanθ+tan²θ=1-sinθ/1+sinθ
sec²-2scθ+tanθ+tan²θ
= 1+sin²θ-2sinθ/cos²θ
=-1+sinθ/1+sinθ
=1-sinθ/sinθ+1
1-sinθ/sinθ+1=-1+sinθ/1+sinθ True
To get the area of a triangle you use the equation A=1/2bh so 1/2 x 7 x 8= 28 square meters.
Answer: It is B sorry if took to long
Step-by-step explanation:
The answer is C- Berthas cake weighs 463 grams more than Jessups cake
