Write the expression as an algebraic expression in u, u>0. cos [tan-¹)]

Q: Use the addition formulas to derive the identities in Exercise

A: There are six trigonometric ratios those are sine, cosine, tangent, cosecant, secant and cotangent.…

Q: Use the addition formulas to derive the identities in Exercise

A: Use the addition formulas to derive the identities in Exercise                             cosx+π2=-…

Q: Derive a formula for tan (A - B).

A:

Q: (99) Sin (2 sec)

A: Topic:- trigonometry ratios

Q: Rewrite the expression as an algebraic expression in x. cos(tan-(x))

A: Given cos(tan-1(x)),

Q: Verify the identity:

A:

Q: Rewrite the expression as an algebraic expression in x. tan(sin-1(x))

A:

Q: 3. In (cos)

A:

Q: Verify the identity. cos(u) sec(u) tan(u) cot(u) Use a Reciprocal Identity to rewrite the…

A: Given Left Hand Side,

Q: Find the exact value of cos , i.e. expressing it using only natural numbers and operations +, -,…

A:

Q: 1-sin0 sec0-tan 0 Cos e

A:

Q: sec sin": O

A: Given query is to find the value of the expression.

Q: Verify the identity: csc x - csc x cos2 x = sin x

A: We know that, cosecx=1sinx            ⋯⋯1sin2x+cos2x=1sin2x=1-cos2x     ⋯⋯2 We have,…