Class-10 NCERT math|Ex-8.2|question-1(iii)

Class-10 ncert math|Ex-8.2|question no-1 (iii)|cos45°/(sec30°+ cosec30°)

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#- Intro. to trigonometry-https://youtu.be/Cj7rn_BajzA
1-Ex-8.1,question.(1)=https://youtu.be/d9kl1Tzv6Jw
2- Ex-8.1, question 2= https://youtu.be/BfrrYi7_XJQ
3- Ex- 8.1, question no-3=https://youtu.be/MaVYv-cXUZM
5- Ex- 8.1, question no-5=
6- Ex-8.1, question no- 6=https://youtu.be/tz2Mug6J5kM
7- Ex-8.1,question no- 7=https://youtu.be/GvhFaTxDOTU
8- Ex- 8.1, question no- 8=https://youtu.be/IEuiafSpX3o
9- Ex- 8.1, question no- 9=https://youtu.be/z_BZ26gSie4
10=
11=
trigonometry ratios for specific Angeles=
1= Ex- 8.2,  question no-1(i)=