2. Solve the equation tan² x + 2tanx - 3=0 for x, where 0≤x≤ 2π. ✓✓✓

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 44E
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please help with both of the questions thank you so much

2. Solve the equation tan² x + 2tanx - 3= 0 for x, where 0 ≤ x ≤ 2n. ✓✓✓
Transcribed Image Text:2. Solve the equation tan² x + 2tanx - 3= 0 for x, where 0 ≤ x ≤ 2n. ✓✓✓
7. Prove the following identity:
sec² x-tan² x
CSCX
1
=
sin 2x secx ✓✓ ✓ ✓
Transcribed Image Text:7. Prove the following identity: sec² x-tan² x CSCX 1 = sin 2x secx ✓✓ ✓ ✓
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