Math, asked by blacksuperman, 10 hours ago

sin20°cos70°+sin20°cos110°=?

Answers

Answered by siddhima2004

2

Answer:

sin20°cos70°+sin20°cos110°

cos70°=cos(90-20)°= sin20°

cos110°=cos(90+20)°= -sin20°

=sin20°sin20°-sin20°sin20°

=0

pls mark brainliest

Previous Question

Next Question

Similar questions

Science, 5 hours ago

⭐Against which disease does BCG vaccine give protection? a)Tuberculosis b) Cholera c) Malaria d) Small рох...

Biology, 5 hours ago

in coackroach each segment is covered by...

Math, 5 hours ago

covert 0. 65 into persentage .

Physics, 10 hours ago

An object travelling along a straight path covers 35 m distance in 4 seconds. In next 6 seconds, it covers 50 m distance. What is the average speed of the object? (1) 3.5 m/s (2) 4.5 m/s (3) 7.5 m/s (4) 8.5 m/s...

Math, 10 hours ago

Calculate the radius of cross-section of a wire if its length is 27 m, its resistance is 54 Ω and resistivity of wire is 25.12 × 10–2 Ωm?

Math, 8 months ago

plz ans my maths question plz ...

Science, 8 months ago

1) plant have soft and fiber— like body a) thallophyta b) zygote c) spore d) bryophyta...

Biology, 8 months ago

WHAT ARE THE METHODS USED BY PLANTS TO GET RID OF EXCRETORY PRODUCTS? PLEASE EXPLAIN IN POINTS...