Solve for A in the following Trigonometric equations 0 ≤ A ≤ 360° 1.) 4 cos A = sec A 2.) 3 cot ² A - csc - csc ² A = 1 3.) (2 cos A -1) (2 cos A -√3)= 0

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Q: 3 sin B =- 5 5 0< A<- 13 Зл find the following: 3. If cos A = and t <B<- a. cos(A+B) b. sin(A+B)

A: topic - trigonometric identities cos(A+B)=cosAcosB-sinAsinB

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Q: (5,-15) sin = CSC@= CoS O= sec@: tan 0= coto:

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Q: sing = -3. cos a is negative, and cote is positive. %3D sece = -13/5 -13/12 -5/13

A: NOTE: Refresh your page if you can't see any equations. . here we have

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Q: 3x 1. Determine the exact value of sin(a - b), if cosa = where ≤ ≤ 2 and cos b where ≤ b ≤n. 13

A: We will use simple trigonometric identities to solve this question.