Math, asked by zeelbhadra, 7 months ago

pls solve this.....​

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Answered by shrushtipawar18
1

Step-by-step explanation:

1. cosec theta = 1 / sin theta

= 1 / AB / BC

= 1 ÷ AB / BC

• cosec theta = BC / AB

2. sec (90 - theta) = 1 / cos theta

= 1 / AB / BC

= 1 ÷ AB / BC

• sec (90 - theta) = BC / AB

3. tan theta = sin theta / cos theta

= opposite side / adjacent side

• tan theta = AB / AC

4. cot (90 -theta) = 1 / tan theta

= 1 / AC / AB

= 1 ÷ AC / AB

• cot (90- theta) = AB / AC

OBSERVATION :

cosec theta = sec (90 - theta)

tan theta = cot (90 - theta)

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