Math, asked by kiyoshi, 1 year ago

Without using trigonometric tables, prove:
sin2 28° - cos2 62° = 0

Attachments:

Answers

Answered by taktushar8

7

here is your answer mate....

Attachments:

Answered by tdydygu

7

sin2 28°- cos2 62°=0

L.H.S

sin2 (90°-62°)- cos2 62°

sin2 62° - cos2 62°

0=R.H.S

Hence proved

Previous Question

Next Question

Similar questions

Science, 6 months ago

Mention the names of various fractions obtained during fractional distillation of petroleum and write the uses of each.

Math, 6 months ago

In a recipe of a lemonade 2 cups of sugar is needed for 3 lemons. How many lemons are needed for 6 cups of sugar? *...

Math, 6 months ago

The degree of the polynomial 12y^2z + 9 yz ^ 3 ...

Political Science, 1 year ago

full form of India ...

English, 1 year ago

Is it correct to say that an object is at absolute rest or in absolute motion? Explain with example.

Math, 1 year ago

1/√7 rationalize the following...

Political Science, 1 year ago

best way for gate preparation...

Math, 1 year ago

find the least number which must be added to 9213 to make it a perfect square...