2 years ago

Help please! This is super urgent!!!!!

Mathematics

2 answers:

a_sh-v [17]2 years ago

7 0

Cos^2x. hope this clarifies

const2013 [10]2 years ago

5 0

Important relationships to note:

sec(x) = 1/cos(x)
cot(x) = 1/tan(x)
cosec(x) = 1/sin(x)

Thus, we can say:
sec(x) · tan(x) · sin(x) = [sin(x) · tan(x)]/cos(x)
= tan(x) tan(x)
= tan^2(x)

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