Prove that 2sec²∅=3-tan²∅

Prove that 2sec²∅=3-tan²∅
1. 2 answers
2. asked by Okezie
3. 462 views
Prove the identity.sin² θ = tan² θ / 1 + tan² θ
1. 4 answers
2. asked by Jillian
3. 1,284 views
Prove the identitytan2(x) - sin2(x) = tan2(x) sin2(x)
1. 0 answers
2. asked by horsecrazygirly
3. 148 views
1. Find the complete exact solution of sin x = .2. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal
1. 2 answers
2. asked by suzy
3. 853 views
f(x)=1/2sec2*3.14(t+1)-1/2 what does it look like graphed?
1. 0 answers
2. asked by Dynasty Guzman
3. 286 views
tan(to the second power) s sin(to second power)=tan(to second power + cos(second power) s - 1...I need the steps on how to get
1. 0 answers
2. asked by Courtney
3. 990 views
Prove thisCot²(90-theta) /tan² theta-1 + cosec²theta/sec²theta-cosec²theta= 1/sin²theta - cos²theta
1. 1 answer
2. asked by Akash
3. 680 views
2tan x/1+tan2 x= sin(2x)
1. 1 answer
2. 39 views
1. sin(x) * (1 + tan(x))+ cos(x) * (1 + cot(x))2. (1 - cos²(x)) * (1 + tan²(x))
1. 2 answers
2. asked by Arden
3. 500 views
Evaluateπ ∫ tan² x/3 dx 0
1. 1 answer
2. asked by Jay
3. 426 views