8 csc theta - 2=10 + 2 csc theta I can't do it. :S

If cos theta = 0.8 and 270<theta<360, find the exact value of sin 2theta a) -0.96 b) -0.6 c) 0....

If tan(theta)=7/13 and cos(theta)<0, what is the exact value of sin(theta)?

let sin theta = -7/25 with theta in QIV find sec (2theta)

If tan theta=-3/4 and 90°<theta<180° Then find cos theta

if tan theta= -13/12 where theta is in 2nd quadrant find remaing trigonometric ratios

If Theta= -7pi/6; then cos(Theta) is...

If cos of theta= -7/12 and theta is in quadrant 2 then find a. tan(theta) cot (theta)= b. csc(thet...

If sin(theta)=12/13 when 0<theta<pi/2, what is the value of cos(theta/2)?

Tan( theta) = 3/4 where pi<theta<3pi/2. Find the exact value of cos(2theta) using those values.

Given that sec theta - tan theta =1/4,find sec theta + tan theta

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