SOLVING TRIGONOMETRIC EQUATIONS

Note: If you would like a review of trigonometry, click on trigonometry.

Work the following problems. Click on Solution, if you want to review the solutions.

Problem 9.6a:         $6\sin ^{2}x+\sin x-1=0$

Solution

Problem 9.6b:         $144\cos ^{2}x-3\cos x-5=0$

Solution

Problem 9.6c:         $12\sin ^{2}-11\sin x-5=0$

Solution

Problem 9.6d:         $3\tan ^{2}x+25\tan x-50=0$

Solution

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