Suppose that cos 0 = 0.7 and 0 is %3D an angle in Quadrant IV. Find tan 0 rounded to 4 decimal places.

Q: Determine the tan 330o by first finding the tangent of its reference angle and then adjusting the…

A: Given : tan(330°)

Q: F csc a= sqrt10, find cos2a and tan a/2. Assume a is in quadrant 2, show your work.

A:

Q: 00 cos( t. COS 2.

A:

Q: Please show how to draw this on the quadrant.

A: Given:

Q: Find the quadrant in which e lies from the information given. sec(@) < 0 and tan(@) < 0 O II O III

A: Solve the following

Q: If tan θ= 2/3, find an exact value for sin θ. Include a diagram.

A: The objective is to find an exact value for sin θ.

Q: If a quadrant? 3 02 01 - = arcsin(-.78) then a is in which 04

A: Sin-1(-x) = -sin-1(x)   sin-1(0.78) = 51.26050

Q: Use your calculator to find, correct to 4 decimal places: a cos 74° 6 sin 132° c tan97°.

A: Given trigonometric ratios are cos 74° sin 132° tan 97°

Q: what is cos(arccos(-3/7)) ?

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.