icedpeachytea
icedpeachytea
24-04-2017
Mathematics
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Help please! This is super urgent!!!!!
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Ashvin1
Ashvin1
24-04-2017
cos^2x. hope this clarifies
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Sxerks
Sxerks
24-04-2017
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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