Proving Identities - Page 90
Questions
- Verify the identity of #sec^6X(secXtanX)-sec^4X(secXtanX)=sec^5Xtan^3X ?#
- Prove that #(sin(A+B))/(cos(A-B)) = (tan A-tan B)/(1+tan A tan B)#?
- Proof:- sin(7 theta)+sin(5 theta)/sin(7 theta)-sin(5 theta)=?
- How do you prove #(1-cos2theta)/(1+cos2theta) = tan^2theta#?
- Prove the trigonometric identity: tan^2 θ cos^2 θ = 1- cos^2 θ?
- What would be steps in proving that [(tan2x)/(secx + 1)] + 1 = sec x ?
- Verify the identity #sin (α + β) sin (α - β) = #?
- How do you prove cosθ + cos2θ + cos3θ = (2cosθ + 1) cos2θ ?
- Find the value of #sin^3A+cos^3A#?
- Simplify ? # (cos^2a - sin^2b)/(sin^2a • sin^2b) - ctg^2a • ctg^2b #
- How do you prove that #(tan theta-cos theta)^2+ 4 sintheta= (tan theta+ cos theta)^2#?
- How do I prove that sin(a) + cos(a) ≤ √2 for all angles (a)?
- how to simplify (1/sin^2x) - (1/tan^2x)?
- Sin^4x -cos^4x= cos3x Could you solve this?
- Prove that #(sint-cost)/(sint+cost) = (2sin^2t-1)/(1+2sintcost)#?
- Im stuck on trying to prove: 2cos^2x-sin^2x+1=3cos^2x & tanx(sinx+cotx*cosx)=secx can anyone help??
- Can you find the exact value of the following?