YouTube on MSNOpinion
Prove an identity by rationalizing the denominator
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify ...
YouTube on MSNOpinion
Prove an identity by adding two fractions
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify ...
Sec(a-b) = cos(a+b) / cos^2a - sin^2b I'm trying to prove this, by turning the left side into the right. I am stuck. Presumably you have already done the sum and difference formulas for sin and cos.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results