Math, asked by asifurrahman01859, 6 months ago

A
২। AABC – এ < B = 90°
}

10
B B
BC- এর দৈর্ঘ্য ণির্ণয় কর।
*) sinA + sin C + cosC + cos? A
= কত?
গ) প্রমাণ কর যে,
secA-tanA
1+sina
ৰ। যwি এ
1-sina​

Answers

Answered by imanmolpainuly
1

Answer:

to solve

you must follow steps given below

jcjxjsksjs

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