plz answer the 9. question
Attachments:
Answers
Answered by
2
Answer:
1
Step-by-step explanation:
Given Equation is cosec² 67 - tan² 23
= cosec² 67 - tan²(90 - 67)
∴ tan(90 - θ) = cotθ
= cosec² 67 - cot² 67
∴ cosec²θ - cot²θ = 1
= 1
Hope this helps!
Answered by
1
Step-by-step explanation:
Given Equation is cosec² 67 - tan² 23
= cosec² 67 - tan²(90 - 67)
∴ tan(90 - θ) = cotθ
= cosec² 67 - cot² 67
∴ cosec²θ - cot²θ = 1
= 1
Similar questions