Math, asked by pawanrajsingh78, 11 months ago

Sin45. Sin30 + cos45 . cos30

Answers

Answered by krishsharma0396

3

Answer:

sin45.sin30+cos45.cos30

sin45.cos(90-30)+cos45.sin(90-30)

sin45.cos60+cos45.sin60

now interchange

sin45.cos45+cos60.sin60

so the multiply of both figure is 1

(it is a rule)

so answer is 1

Previous Question

Next Question

Similar questions

English, 5 months ago

Evening dress must be worn...

Economy, 5 months ago

the area of a rectangular park is 2160m square the length and the breath of the park is in the ratio of 5:3 . what is the cost for fencing the park for rupees 5 per metre...

Business Studies, 5 months ago

एक संगठन विभिन्न व्यक्तियों का एक समूह है जो संगठन के लक्ष्यों को प्राप्त करने के लिए टीम भावना और समन्वय के साथ मिलकर काम करता है। उपरोक्त कथन में प्रबंधन की विशेषता को किस प्रकार उजागर किया जा रहा है? a) लक्ष्य उन्मुख c) व्यापक कार्य d) सतत प्रक्रिया b) समूह गतिविधि...

Geography, 11 months ago

What are the major iron and steel industries in india...

History, 11 months ago

What were the names of the five princilaties during the Yueh chis period?

Math, 1 year ago

which other god will you sugar to study language law of motion is the laboratory...

Hindi, 1 year ago

Kavi ka bhavwachak sangya kya kavya ho sakta h?

English, 1 year ago

an insurance company requires some agents.draft and advertisement with classified coloum in english daily...