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Solve the following equations for 0《X《360

A) tan^2x + 3 tax -4 = 0

B) 2sin^2x - sinx-1 = 0

Please help
Thankyou

1 answer

These are just quadratic equations. You can factor them as follows:

(tanx + 4)(tanx - 1) = 0
(2sinx + 1)(sinx - 1) = 0

Now they are easy, right?

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