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Prove that tan theta+tan 2theta+tan

sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactlysin(2theta) cos(2theta)
1. 2 answers
2. asked by Sally
3. 1,783 views
Write each identity expression in terms of:1. cos theta= a. sin^2theta---------- sec^2theta-1 2. tan theta= a. sec theta over
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2. asked by san-san
3. 579 views
prove 3cos theta - cos3theta = 2cos theta cos2theta + 4sin theta sin 2theta
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2. asked by Cindy
3. 533 views
sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactlysin(2theta) cos(2theta)
1. 1 answer
2. asked by Larry
3. 2,020 views
given that 1/2pi<theta<pi and sin theta=1/5, use appropriate trigonometric formulas to find the exact values of the following
1. 2 answers
2. asked by Sarah
3. 597 views
1. Which expression is equivalent to cos 2theta for all values of theta ?cos^2 theta – sin^2 theta ~ cos^2 theta – 1 1 – 2
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2. asked by Kelsey
3. 1,390 views
which statements are true select all that applyA) tan^2 theta=1-sec^2theta B) cos theta= cot theta/ csc theta C) 1/ sec^2 theta=
1. 1 answer
2. 77 views
Find cotangent theta given that cosecant theta equals -3.5891420 and theta is in the third quadrant.I was using the trig
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2. asked by Maddy
3. 616 views
1)Find cos theta if sin theta=3/5 and 90 degrees<theta<180 degrees.A)4/5 B)-4/5 C)square root of 34/5 D)-square root of 34/5 I
1. 5 answers
2. asked by Jon
3. 967 views
PROVE: Cos 2theta = .5 (cot theta - tan theta)Please help me
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2. asked by Mike
3. 392 views