Question

Q.1 Write in Brief.
30
Introduction to Trigonometry, Trigonometric Ratios, Trigonometric Ratios of Some Specific
Angles, Trigonometric Ratios of Complementary Angles, Trigonometric Identities.​

Answer 1

Answer:

don't know out of syallbus

Answer 2

Trigonometric Identities of Opposite Angles

• Sin (-θ) = – Sin θ
• Cos (-θ) = Cos θ
• Tan (-θ) = – Tan θ
• Cot (-θ) = – Cot θ
• Sec (-θ) = Sec θ
• Csc (-θ) = -Csc θ