If 2 sin^2 x-3=3 cosx and 90^∘

Name: Problem 41, Chapter 1: Math Level 2 SAT Subject Test
Uploaded: 2021-09-27T02:22:43-08:00
Duration: 2 min 11 s
Channel: Aman Gupta
Description: If 2 sin^2 x-3=3 cosx and 90^∘ < x < 270^∘, the number of values that satisfy the equation is (A) 0 (B) 1 (C) 2 (D) 3 (E) 4

Question

If 2 sin^2 x-3=3 cosx and 90^∘ < x < 270^∘, the number of values that satisfy the equation is (A

Aman Gupta · Accepted Answer

step 1 In this wrong, the given equation can be retaken as 3 to the power of sine 2x plus 2 cost square

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