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Trigonometry
proof identity (1-tanA)/(1+tanA)=(cos2A)/(1+sin2A)
Trigonometry
How do i prove tan(theta)+cot(theta)/sec(theta)csc(theta)=1?
Trigonometry
Proove this identities
Sin(a+b) / cos(a-b) = tan a + tan b / 1 + tan a * tan b
Sin(a+b) / cos(a-b) = tan a + tan b / 1 + tan a * tan b
Trigonometry
prove that cos10°- sin10° / cos 10°+ sin 10°= tan 35°
Trigonometry
Find an algebraic expression for sin[arccos(3x)]. PLEASE show the steps
Trigonometry
(1+tan1)(1+tan2)................(1+tan45)?
Trigonometry
Find the area of a triangle bounded by the lines y=x, y=-x, and y=6?
Trigonometry
Given y=Acos(Bx+C) + D. Throughout the day the depth of water at the end of a pier varies with the tides. High tide occurs at 4 am with a depth of 6 meters. Low tide occurs at 10 am with a depth of 2 meters. Model the problem by using the given trigonometric equation to show the depth of the water t hours after midnight showing all your work.
Solve the problem by finding the depth of the water at noon, explaining, the reasoning.
Solve the problem by finding the depth of the water at noon, explaining, the reasoning.
Trigonometry
The plane of a small circle on a sphere of radius of 10 in and 5 in from the center.?
.find the radius of the small circle; also find the great circle distance from its pole to its circumference
.find the radius of the small circle; also find the great circle distance from its pole to its circumference
Trigonometry
the plane of a small circle on a sphere of radius of in and in from the center.find the radius of the small circle; also find the great circle distance from its pole to its circumference.
