Friday, February 24, 2023

ত্রিকোণমিতি


দেওয়া আছে, tanA=3/4

অতএব, A কোণের লম্ব=3
এবং ভূমি=4
অতিভূজ=(42+32)= √(16+9)= √25=5
সুতরাং,

                 4

cosA=---------
                 5

                 4

cotA=-----------
                 3

                 3

sinA=-----------
                 5

                   5

cosecA=--------
                   3

                 5

secA=----------
                 4

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