sin t = 2/7, cos t =  3(sqrt5)/7. Find csc t.   sin t = 3/7, cos t = 2(sqrt10)/7 . Find tan t.

Q: simplify

A: Given that

Q: Use the reciprocal identities and ratio identities to write an equivalent expression that uses only…

A:

Q: Find the exact value using sun and difference formulas.  sin(cos-1 5/13 - sec-1 5/4)

A: Let,I=sincos-1513-sec-154using…

Q: Use identities to find the value of the expression

A: We are given

Q: Find the tan x/2 = (1-cosx)/sinx under the conditions where tanx=-1/3 and cosx >0. Draw a right…

A:

Q: Use trig identities to rewrite the expression cos²w in terms of sin(2w) and/or cos(2w) and…

A: using the formulasfrom the question given here in terms of

Q: find the exact value of each expression. Rememberthat sin-1x and arcsin x are the same function,…

A: the given expression is: sin-1-12 we have to find the exact value of the given expression.

Q: sin x 1 where x is in the 2nd quadrant. Find cos x and tan x = -

A: We use Pythagoras theorem (Hypotenuse)2 = (perpendicular)2 +(Base)2   We use Trigonometry ratios…

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.